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authornavewindre <nw@moneybot.cc>2023-12-04 18:06:10 +0100
committernavewindre <nw@moneybot.cc>2023-12-04 18:06:10 +0100
commitaef0d1c1268ab7d4bc18996c9c6b4da16a40aadc (patch)
tree43e766b51704f4ab8b383583bdc1871eeeb9c698 /sourcemod/scripting/include/json
parent38f1140c11724da05a23a10385061200b907cf6e (diff)
bbbbbbbbwaaaaaaaaaaa
Diffstat (limited to 'sourcemod/scripting/include/json')
-rw-r--r--sourcemod/scripting/include/json/decode_helpers.inc312
-rw-r--r--sourcemod/scripting/include/json/definitions.inc103
-rw-r--r--sourcemod/scripting/include/json/encode_helpers.inc164
-rw-r--r--sourcemod/scripting/include/json/helpers/decode.inc502
-rw-r--r--sourcemod/scripting/include/json/helpers/encode.inc200
-rw-r--r--sourcemod/scripting/include/json/helpers/string.inc133
-rw-r--r--sourcemod/scripting/include/json/object.inc1014
-rw-r--r--sourcemod/scripting/include/json/string_helpers.inc77
8 files changed, 2505 insertions, 0 deletions
diff --git a/sourcemod/scripting/include/json/decode_helpers.inc b/sourcemod/scripting/include/json/decode_helpers.inc
new file mode 100644
index 0000000..0032cc3
--- /dev/null
+++ b/sourcemod/scripting/include/json/decode_helpers.inc
@@ -0,0 +1,312 @@
+/**
+ * vim: set ts=4 :
+ * =============================================================================
+ * sm-json
+ * Provides a pure SourcePawn implementation of JSON encoding and decoding.
+ * https://github.com/clugg/sm-json
+ *
+ * sm-json (C)2018 James D. (clug)
+ * SourceMod (C)2004-2008 AlliedModders LLC. All rights reserved.
+ * =============================================================================
+ *
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, version 3.0, as published by the
+ * Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * As a special exception, AlliedModders LLC gives you permission to link the
+ * code of this program (as well as its derivative works) to "Half-Life 2," the
+ * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
+ * by the Valve Corporation. You must obey the GNU General Public License in
+ * all respects for all other code used. Additionally, AlliedModders LLC grants
+ * this exception to all derivative works. AlliedModders LLC defines further
+ * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
+ * or <http://www.sourcemod.net/license.php>.
+ */
+
+#if defined _json_decode_helpers_included
+ #endinput
+#endif
+#define _json_decode_helpers_included
+
+#include <string>
+
+/**
+ * @section Analysing format of incoming JSON cells.
+ */
+
+/**
+ * Checks whether the character at the given
+ * position in the buffer is whitespace.
+ *
+ * @param buffer String buffer of data.
+ * @param pos Position to check in buffer.
+ * @return True if buffer[pos] is whitespace, false otherwise.
+ */
+stock bool json_is_whitespace(const char[] buffer, int &pos) {
+ return buffer[pos] == ' ' || buffer[pos] == '\t' ||
+ buffer[pos] == '\r' || buffer[pos] == '\n';
+}
+
+/**
+ * Checks whether the character at the beginning
+ * of the buffer is the start of a string.
+ *
+ * @param buffer String buffer of data.
+ * @return True if buffer[0] is the start of a string, false otherwise.
+ */
+stock bool json_is_string(const char[] buffer) {
+ return buffer[0] == '"';
+}
+
+/**
+ * Checks whether the buffer provided contains an int.
+ *
+ * @param buffer String buffer of data.
+ * @return True if buffer contains an int, false otherwise.
+ */
+stock bool json_is_int(const char[] buffer) {
+ int length = strlen(buffer);
+ if (buffer[0] != '+' && buffer[0] != '-' && !IsCharNumeric(buffer[0])) {
+ return false;
+ }
+
+ for (int i = 0; i < length; ++i) {
+ if (!IsCharNumeric(buffer[i])) return false;
+ }
+
+ return true;
+}
+
+/**
+ * Checks whether the buffer provided contains a float.
+ *
+ * @param buffer String buffer of data.
+ * @return True if buffer contains a float, false otherwise.
+ */
+stock bool json_is_float(const char[] buffer) {
+ bool has_decimal = false;
+ int length = strlen(buffer);
+ if (buffer[0] != '+' && buffer[0] != '-' && buffer[0] != '.' && !IsCharNumeric(buffer[0])) {
+ return false;
+ }
+
+ for (int i = 0; i < length; ++i) {
+ if (buffer[i] == '.') {
+ if (has_decimal) {
+ return false;
+ }
+
+ has_decimal = true;
+ } else if (!IsCharNumeric(buffer[i])) {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+/**
+ * Checks whether the buffer provided contains a bool.
+ *
+ * @param buffer String buffer of data.
+ * @return True if buffer contains a bool, false otherwise.
+ */
+stock bool json_is_bool(const char[] buffer) {
+ return StrEqual(buffer, "true") ||
+ StrEqual(buffer, "false");
+}
+
+/**
+ * Checks whether the buffer provided contains null.
+ *
+ * @param buffer String buffer of data.
+ * @return True if buffer contains null, false otherwise.
+ */
+stock bool json_is_null(const char[] buffer) {
+ return StrEqual(buffer, "null");
+}
+
+/**
+ * Checks whether the character at the beginning
+ * of the buffer is the start of an object.
+ *
+ * @param buffer String buffer of data.
+ * @return True if buffer[0] is the start of an object, false otherwise.
+ */
+stock bool json_is_object(const char[] buffer) {
+ return buffer[0] == '{';
+}
+
+/**
+ * Checks whether the character at the beginning
+ * of the buffer is the end of an object.
+ *
+ * @param buffer String buffer of data.
+ * @return True if buffer[0] is the end of an object, false otherwise.
+ */
+stock bool json_is_object_end(const char[] buffer) {
+ return buffer[0] == '}';
+}
+
+/**
+ * Checks whether the character at the beginning
+ * of the buffer is the start of an array.
+ *
+ * @param buffer String buffer of data.
+ * @return True if buffer[0] is the start of an array, false otherwise.
+ */
+stock bool json_is_array(const char[] buffer) {
+ return buffer[0] == '[';
+}
+
+/**
+ * Checks whether the character at the beginning
+ * of the buffer is the start of an array.
+ *
+ * @param buffer String buffer of data.
+ * @return True if buffer[0] is the start of an array, false otherwise.
+ */
+stock bool json_is_array_end(const char[] buffer) {
+ return buffer[0] == ']';
+}
+
+/**
+ * Checks whether the character at the given position in the buffer
+ * is considered a valid 'end point' for some data, such as a
+ * colon (indicating a key), a comma (indicating a new element),
+ * or the end of an object or array.
+ *
+ * @param buffer String buffer of data.
+ * @param pos Position to check in buffer.
+ * @return True if buffer[pos] is a valid data end point, false otherwise.
+ */
+stock bool json_is_at_end(const char[] buffer, int &pos, bool is_array) {
+ return buffer[pos] == ',' ||
+ (!is_array && buffer[pos] == ':') ||
+ json_is_object_end(buffer[pos]) ||
+ json_is_array_end(buffer[pos]);
+}
+
+/**
+ * Moves the position until it reaches a non-whitespace
+ * character or the end of the buffer's maximum size.
+ *
+ * @param buffer String buffer of data.
+ * @param maxlen Maximum size of string buffer.
+ * @param pos Position to increment.
+ * @return True if pos is not at the end of the buffer, false otherwise.
+ */
+stock bool json_skip_whitespace(const char[] buffer, int maxlen, int &pos) {
+ while (json_is_whitespace(buffer, pos) && pos < maxlen) {
+ ++pos;
+ }
+
+ return pos < maxlen;
+}
+
+/**
+ * Extracts a JSON cell from the buffer until
+ * a valid end point is reached.
+ *
+ * @param buffer String buffer of data.
+ * @param maxlen Maximum size of string buffer.
+ * @param pos Position to increment.
+ * @param output String buffer to store output.
+ * @param output_maxlen Maximum size of output string buffer.
+ * @param is_array Whether the decoder is currently processing an array.
+ * @return True if pos is not at the end of the buffer, false otherwise.
+ */
+stock bool json_extract_until_end(const char[] buffer, int maxlen, int &pos, char[] output, int output_maxlen, bool is_array) {
+ // extracts a string from current pos until a valid 'end point'
+ strcopy(output, output_maxlen, "");
+
+ int start = pos;
+ while (!json_is_whitespace(buffer, pos) && !json_is_at_end(buffer, pos, is_array) && pos < maxlen) {
+ ++pos;
+ }
+ int end = pos - 1;
+
+ // skip trailing whitespace
+ json_skip_whitespace(buffer, maxlen, pos);
+
+ if (!json_is_at_end(buffer, pos, is_array)) return false;
+ strcopy(output, end - start + 2, buffer[start]);
+
+ return pos < maxlen;
+}
+
+
+/**
+ * Extracts a JSON string from the buffer until
+ * a valid end point is reached.
+ *
+ * @param buffer String buffer of data.
+ * @param maxlen Maximum size of string buffer.
+ * @param pos Position to increment.
+ * @param output String buffer to store output.
+ * @param output_maxlen Maximum size of output string buffer.
+ * @param is_array Whether the decoder is currently processing an array.
+ * @return True if pos is not at the end of the buffer, false otherwise.
+ */
+stock bool json_extract_string(const char[] buffer, int maxlen, int &pos, char[] output, int output_maxlen, bool is_array) {
+ // extracts a string which needs to be quote-escaped
+ strcopy(output, output_maxlen, "");
+
+ ++pos;
+ int start = pos;
+ while (!(buffer[pos] == '"' && buffer[pos - 1] != '\\') && pos < maxlen) {
+ ++pos;
+ }
+ int end = pos - 1;
+
+ // jump 1 ahead since we ended on " instead of an ending char
+ ++pos;
+
+ // skip trailing whitespace
+ json_skip_whitespace(buffer, maxlen, pos);
+
+ if (!json_is_at_end(buffer, pos, is_array)) return false;
+ // copy only from start with length end - start + 2 (+2 for NULL terminator and something else)
+ strcopy(output, end - start + 2, buffer[start]);
+ json_unescape_string(output, maxlen);
+
+ return pos < maxlen;
+}
+
+/**
+ * Extracts an int from the buffer.
+ *
+ * @param buffer String buffer of data.
+ * @return Int value of the buffer.
+ */
+stock int json_extract_int(const char[] buffer) {
+ return StringToInt(buffer);
+}
+
+/**
+ * Extracts a float from the buffer.
+ *
+ * @param buffer String buffer of data.
+ * @return Float value of the buffer.
+ */
+stock float json_extract_float(const char[] buffer) {
+ return StringToFloat(buffer);
+}
+
+/**
+ * Extracts a bool from the buffer.
+ *
+ * @param buffer String buffer of data.
+ * @return Bool value of the buffer.
+ */
+stock bool json_extract_bool(const char[] buffer) {
+ return StrEqual(buffer, "true");
+}
diff --git a/sourcemod/scripting/include/json/definitions.inc b/sourcemod/scripting/include/json/definitions.inc
new file mode 100644
index 0000000..63063d3
--- /dev/null
+++ b/sourcemod/scripting/include/json/definitions.inc
@@ -0,0 +1,103 @@
+/**
+ * vim: set ts=4 :
+ * =============================================================================
+ * sm-json
+ * Provides a pure SourcePawn implementation of JSON encoding and decoding.
+ * https://github.com/clugg/sm-json
+ *
+ * sm-json (C)2019 James Dickens. (clug)
+ * SourceMod (C)2004-2008 AlliedModders LLC. All rights reserved.
+ * =============================================================================
+ *
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, version 3.0, as published by the
+ * Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * As a special exception, AlliedModders LLC gives you permission to link the
+ * code of this program (as well as its derivative works) to "Half-Life 2," the
+ * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
+ * by the Valve Corporation. You must obey the GNU General Public License in
+ * all respects for all other code used. Additionally, AlliedModders LLC grants
+ * this exception to all derivative works. AlliedModders LLC defines further
+ * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
+ * or <http://www.sourcemod.net/license.php>.
+ */
+
+#if defined _json_definitions_included
+ #endinput
+#endif
+#define _json_definitions_included
+
+#include <string>
+#include <json/helpers/string>
+
+/**
+ * @section Pretty Print Constants
+ *
+ * Used to determine how pretty printed JSON should be formatted when encoded.
+ * You can modify these if you prefer your JSON formatted differently.
+ */
+
+#define JSON_PP_AFTER_COLON " "
+#define JSON_PP_INDENT " "
+#define JSON_PP_NEWLINE "\n"
+
+/**
+ * @section Buffer Size Constants
+ *
+ * You may need to change these if you are working with very large arrays or floating point numbers.
+ */
+
+#define JSON_FLOAT_BUFFER_SIZE 32
+#define JSON_INDEX_BUFFER_SIZE 16
+
+/**
+ * @section Meta-key Constants
+ *
+ * Used to store metadata for each key in an object.
+ * You shouldn't need to change these unless working with keys that may clash with them.
+ */
+
+#define JSON_ARRAY_INDEX_KEY "__array_index"
+#define JSON_META_TYPE_KEY ":type"
+#define JSON_META_LENGTH_KEY ":length"
+#define JSON_META_HIDDEN_KEY ":hidden"
+
+/**
+ * @section General
+ */
+
+/**
+ * Types of cells within a JSON object
+ */
+enum JSON_CELL_TYPE {
+ Type_Invalid = -1,
+ Type_String = 0,
+ Type_Int,
+ Type_Float,
+ Type_Bool,
+ Type_Null,
+ Type_Object
+};
+
+/**
+ * Checks whether the key provided is a meta-key that should only be used internally.
+ *
+ * @param key Key to check.
+ * @returns True when it is a meta-key, false otherwise.
+ */
+stock bool json_is_meta_key(char[] key)
+{
+ return json_string_endswith(key, JSON_META_TYPE_KEY)
+ || json_string_endswith(key, JSON_META_LENGTH_KEY)
+ || json_string_endswith(key, JSON_META_HIDDEN_KEY)
+ || StrEqual(key, JSON_ARRAY_INDEX_KEY);
+}
diff --git a/sourcemod/scripting/include/json/encode_helpers.inc b/sourcemod/scripting/include/json/encode_helpers.inc
new file mode 100644
index 0000000..37cb83d
--- /dev/null
+++ b/sourcemod/scripting/include/json/encode_helpers.inc
@@ -0,0 +1,164 @@
+/**
+ * vim: set ts=4 :
+ * =============================================================================
+ * sm-json
+ * Provides a pure SourcePawn implementation of JSON encoding and decoding.
+ * https://github.com/clugg/sm-json
+ *
+ * sm-json (C)2018 James D. (clug)
+ * SourceMod (C)2004-2008 AlliedModders LLC. All rights reserved.
+ * =============================================================================
+ *
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, version 3.0, as published by the
+ * Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * As a special exception, AlliedModders LLC gives you permission to link the
+ * code of this program (as well as its derivative works) to "Half-Life 2," the
+ * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
+ * by the Valve Corporation. You must obey the GNU General Public License in
+ * all respects for all other code used. Additionally, AlliedModders LLC grants
+ * this exception to all derivative works. AlliedModders LLC defines further
+ * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
+ * or <http://www.sourcemod.net/license.php>.
+ */
+
+#if defined _json_encode_helpers_included
+ #endinput
+#endif
+#define _json_encode_helpers_included
+
+#include <string>
+
+/**
+ * @section Calculating buffer sizes for JSON cells.
+ */
+
+/**
+ * Calculates the maximum buffer length required to
+ * store the JSON cell representation of a string.
+ *
+ * @param maxlen The string's current length or buffer size.
+ * @return Maximum buffer length.
+ */
+stock int json_cell_string_size(int maxlen) {
+ return (maxlen * 2) + 3; // * 2 for potential escaping, + 2 for surrounding quotes + NULL
+}
+
+/**
+ * Calculates the maximum buffer length required to
+ * store the JSON cell representation of an int.
+ *
+ * @param input The int.
+ * @return Maximum buffer length.
+ */
+stock int json_cell_int_size(int input) {
+ if (input == 0) {
+ return 2; // "0" + NULL
+ }
+
+ return ((input < 0) ? 1 : 0) + RoundToFloor(Logarithm(FloatAbs(float(input)), 10.0)) + 2; // neg sign + number of digits + NULL
+}
+
+/**
+ * Calculates the maximum buffer length required to
+ * store the JSON cell representation of a float.
+ *
+ * @return Maximum buffer length.
+ */
+stock int json_cell_float_size() {
+ return JSON_FLOAT_BUFFER_SIZE; // fixed-length
+}
+
+/**
+ * Calculates the maximum buffer length required to
+ * store the JSON cell representation of a bool.
+ *
+ * @return Maximum buffer length.
+ */
+stock int json_cell_bool_size() {
+ return 6; // "true|false" + NULL
+}
+
+/**
+ * Calculates the maximum buffer length required to
+ * store the JSON cell representation of null.
+ *
+ * @return Maximum buffer length.
+ */
+stock int json_cell_null_size() {
+ return 5; // "null" + NULL
+}
+
+/**
+ * @section Generating JSON cells.
+ */
+
+/**
+ * Generates the JSON cell representation of a string.
+ *
+ * @param input Value to generate output for.
+ * @param output String buffer to store output.
+ * @param maxlen Maximum size of string buffer.
+ */
+stock void json_cell_string(const char[] input, char[] output, int maxlen) {
+ strcopy(output, maxlen, "_"); // add dummy char at start so first quotation isn't escaped
+ StrCat(output, maxlen, input); // add input string to output
+ // escape everything according to JSON spec
+ json_escape_string(output, maxlen);
+
+ // surround string with quotations
+ output[0] = '"';
+ StrCat(output, maxlen, "\"");
+}
+
+/**
+ * Generates the JSON cell representation of an int.
+ *
+ * @param input Value to generate output for.
+ * @param output String buffer to store output.
+ * @param maxlen Maximum size of string buffer.
+ */
+stock void json_cell_int(int input, char[] output, int maxlen) {
+ IntToString(input, output, maxlen);
+}
+
+/**
+ * Generates the JSON cell representation of a float.
+ *
+ * @param input Value to generate output for.
+ * @param output String buffer to store output.
+ * @param maxlen Maximum size of string buffer.
+ */
+stock void json_cell_float(float input, char[] output, int maxlen) {
+ FloatToString(input, output, maxlen);
+}
+
+/**
+ * Generates the JSON cell representation of a bool.
+ *
+ * @param input Value to generate output for.
+ * @param output String buffer to store output.
+ * @param maxlen Maximum size of string buffer.
+ */
+stock void json_cell_bool(bool input, char[] output, int maxlen) {
+ strcopy(output, maxlen, (input) ? "true" : "false");
+}
+
+/**
+ * Generates the JSON cell representation of null.
+ *
+ * @param output String buffer to store output.
+ * @param maxlen Maximum size of string buffer.
+ */
+stock void json_cell_null(char[] output, int maxlen) {
+ strcopy(output, maxlen, "null");
+}
diff --git a/sourcemod/scripting/include/json/helpers/decode.inc b/sourcemod/scripting/include/json/helpers/decode.inc
new file mode 100644
index 0000000..f420222
--- /dev/null
+++ b/sourcemod/scripting/include/json/helpers/decode.inc
@@ -0,0 +1,502 @@
+/**
+ * vim: set ts=4 :
+ * =============================================================================
+ * sm-json
+ * Provides a pure SourcePawn implementation of JSON encoding and decoding.
+ * https://github.com/clugg/sm-json
+ *
+ * sm-json (C)2019 James Dickens. (clug)
+ * SourceMod (C)2004-2008 AlliedModders LLC. All rights reserved.
+ * =============================================================================
+ *
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, version 3.0, as published by the
+ * Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * As a special exception, AlliedModders LLC gives you permission to link the
+ * code of this program (as well as its derivative works) to "Half-Life 2," the
+ * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
+ * by the Valve Corporation. You must obey the GNU General Public License in
+ * all respects for all other code used. Additionally, AlliedModders LLC grants
+ * this exception to all derivative works. AlliedModders LLC defines further
+ * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
+ * or <http://www.sourcemod.net/license.php>.
+ */
+
+#if defined _json_helpers_decode_included
+ #endinput
+#endif
+#define _json_helpers_decode_included
+
+#include <string>
+
+/**
+ * @section Determine Buffer Contents
+ */
+
+/**
+ * Checks whether the character at the beginning
+ * of the buffer is whitespace.
+ *
+ * @param buffer String buffer of data.
+ * @returns True if the first character in the buffer
+ * is whitespace, false otherwise.
+ */
+stock bool json_is_whitespace(const char[] buffer)
+{
+ return buffer[0] == ' '
+ || buffer[0] == '\t'
+ || buffer[0] == '\r'
+ || buffer[0] == '\n';
+}
+
+/**
+ * Checks whether the character at the beginning
+ * of the buffer is the start of a string.
+ *
+ * @param buffer String buffer of data.
+ * @returns True if the first character in the buffer
+ * is the start of a string, false otherwise.
+ */
+stock bool json_is_string(const char[] buffer)
+{
+ return buffer[0] == '"';
+}
+
+/**
+ * Checks whether the buffer provided contains an int.
+ *
+ * @param buffer String buffer of data.
+ * @returns True if buffer contains an int, false otherwise.
+ */
+stock bool json_is_int(const char[] buffer)
+{
+ bool starts_with_zero = false;
+ bool has_digit_gt_zero = false;
+
+ int length = strlen(buffer);
+ for (int i = 0; i < length; ++i) {
+ // allow minus as first character only
+ if (i == 0 && buffer[i] == '-') {
+ continue;
+ }
+
+ if (IsCharNumeric(buffer[i])) {
+ if (buffer[i] == '0') {
+ if (starts_with_zero) {
+ // detect repeating leading zeros
+ return false;
+ } else if (! has_digit_gt_zero) {
+ starts_with_zero = true;
+ }
+ } else {
+ has_digit_gt_zero = true;
+ }
+ } else {
+ return false;
+ }
+ }
+
+ // buffer must start with zero and have no other numerics before decimal
+ // OR not start with zero and have other numerics
+ return (starts_with_zero && ! has_digit_gt_zero)
+ || (! starts_with_zero && has_digit_gt_zero);
+}
+
+/**
+ * Checks whether the buffer provided contains a float.
+ *
+ * @param buffer String buffer of data.
+ * @returns True if buffer contains a float, false otherwise.
+ */
+stock bool json_is_float(const char[] buffer)
+{
+ bool starts_with_zero = false;
+ bool has_digit_gt_zero = false;
+ bool after_decimal = false;
+ bool has_digit_after_decimal = false;
+ bool after_exponent = false;
+ bool has_digit_after_exponent = false;
+
+ int length = strlen(buffer);
+ for (int i = 0; i < length; ++i) {
+ // allow minus as first character only
+ if (i == 0 && buffer[i] == '-') {
+ continue;
+ }
+
+ // if we haven't encountered a decimal or exponent yet
+ if (! after_decimal && ! after_exponent) {
+ if (buffer[i] == '.') {
+ // if we encounter a decimal before any digits
+ if (! starts_with_zero && ! has_digit_gt_zero) {
+ return false;
+ }
+
+ after_decimal = true;
+ } else if (buffer[i] == 'e' || buffer[i] == 'E') {
+ // if we encounter an exponent before any non-zero digits
+ if (starts_with_zero && ! has_digit_gt_zero) {
+ return false;
+ }
+
+ after_exponent = true;
+ } else if (IsCharNumeric(buffer[i])) {
+ if (buffer[i] == '0') {
+ if (starts_with_zero) {
+ // detect repeating leading zeros
+ return false;
+ } else if (! has_digit_gt_zero) {
+ starts_with_zero = true;
+ }
+ } else {
+ has_digit_gt_zero = true;
+ }
+ } else {
+ return false;
+ }
+ } else if (after_decimal && ! after_exponent) {
+ // after decimal has been encountered, allow any numerics
+ if (IsCharNumeric(buffer[i])) {
+ has_digit_after_decimal = true;
+ } else if (buffer[i] == 'e' || buffer[i] == 'E') {
+ if (! has_digit_after_decimal) {
+ // detect exponents directly after decimal
+ return false;
+ }
+
+ after_exponent = true;
+ } else {
+ return false;
+ }
+ } else if (after_exponent) {
+ if (
+ (buffer[i] == '+' || buffer[i] == '-')
+ && (buffer[i - 1] == 'e' || buffer[i - 1] == 'E')
+ ) {
+ // allow + or - directly after exponent
+ continue;
+ } else if (IsCharNumeric(buffer[i])) {
+ has_digit_after_exponent = true;
+ } else {
+ return false;
+ }
+ }
+ }
+
+ if (starts_with_zero && has_digit_gt_zero) {
+ /* if buffer starts with zero, there should
+ be no other digits before the decimal */
+ return false;
+ }
+
+ // if we have a decimal, there should be digit(s) after it
+ if (after_decimal) {
+ if (! has_digit_after_decimal) {
+ return false;
+ }
+ }
+
+ // if we have an exponent, there should be digit(s) after it
+ if (after_exponent) {
+ if (! has_digit_after_exponent) {
+ return false;
+ }
+ }
+
+ /* we should have reached an exponent, decimal, or both.
+ otherwise, this number can be handled by the int parser */
+ return after_decimal || after_exponent;
+}
+
+/**
+ * Checks whether the buffer provided contains a bool.
+ *
+ * @param buffer String buffer of data.
+ * @returns True if buffer contains a bool, false otherwise.
+ */
+stock bool json_is_bool(const char[] buffer)
+{
+ return StrEqual(buffer, "true") || StrEqual(buffer, "false");
+}
+
+/**
+ * Checks whether the buffer provided contains null.
+ *
+ * @param buffer String buffer of data.
+ * @returns True if buffer contains null, false otherwise.
+ */
+stock bool json_is_null(const char[] buffer)
+{
+ return StrEqual(buffer, "null");
+}
+
+/**
+ * Checks whether the character at the beginning
+ * of the buffer is the start of an object.
+ *
+ * @param buffer String buffer of data.
+ * @returns True if the first character in the buffer is
+ * the start of an object, false otherwise.
+ */
+stock bool json_is_object(const char[] buffer)
+{
+ return buffer[0] == '{';
+}
+
+/**
+ * Checks whether the character at the beginning
+ * of the buffer is the end of an object.
+ *
+ * @param buffer String buffer of data.
+ * @returns True if the first character in the buffer is
+ * the end of an object, false otherwise.
+ */
+stock bool json_is_object_end(const char[] buffer)
+{
+ return buffer[0] == '}';
+}
+
+/**
+ * Checks whether the character at the beginning
+ * of the buffer is the start of an array.
+ *
+ * @param buffer String buffer of data.
+ * @returns True if the first character in the buffer is
+ * the start of an array, false otherwise.
+ */
+stock bool json_is_array(const char[] buffer)
+{
+ return buffer[0] == '[';
+}
+
+/**
+ * Checks whether the character at the beginning
+ * of the buffer is the end of an array.
+ *
+ * @param buffer String buffer of data.
+ * @returns True if the first character in the buffer is
+ * the end of an array, false otherwise.
+ */
+stock bool json_is_array_end(const char[] buffer)
+{
+ return buffer[0] == ']';
+}
+
+/**
+ * Checks whether the character at the beginning of the buffer
+ * is considered a valid 'end point' for some data, such as a
+ * colon (indicating a key), a comma (indicating a new element),
+ * or the end of an object or array.
+ *
+ * @param buffer String buffer of data.
+ * @returns True if the first character in the buffer
+ * is a valid data end point, false otherwise.
+ */
+stock bool json_is_at_end(const char[] buffer, bool is_array)
+{
+ return buffer[0] == ','
+ || (! is_array && buffer[0] == ':')
+ || json_is_object_end(buffer[0])
+ || json_is_array_end(buffer[0]);
+}
+
+/**
+ * @section Extract Contents from Buffer
+ */
+
+/**
+ * Moves the position until it reaches a non-whitespace
+ * character or the end of the buffer's maximum size.
+ *
+ * @param buffer String buffer of data.
+ * @param max_size Maximum size of string buffer.
+ * @param pos Position to increment.
+ * @returns True if pos has not reached the end
+ * of the buffer, false otherwise.
+ */
+stock bool json_skip_whitespace(const char[] buffer, int max_size, int &pos)
+{
+ while (json_is_whitespace(buffer[pos]) && pos < max_size) {
+ ++pos;
+ }
+
+ return pos < max_size;
+}
+
+/**
+ * Extracts a JSON cell from the buffer until
+ * a valid end point is reached.
+ *
+ * @param buffer String buffer of data.
+ * @param max_size Maximum size of string buffer.
+ * @param pos Position to increment.
+ * @param output String buffer to store output.
+ * @param output_max_size Maximum size of output string buffer.
+ * @param is_array Whether the decoder is processing an array.
+ * @returns True if pos has not reached the end
+ * of the buffer, false otherwise.
+ */
+stock bool json_extract_until_end(
+ const char[] buffer,
+ int max_size,
+ int &pos,
+ char[] output,
+ int output_max_size,
+ bool is_array
+) {
+ strcopy(output, output_max_size, "");
+
+ // set start to position of first character in cell
+ int start = pos;
+
+ // while we haven't hit whitespace, an end point or the end of the buffer
+ while (
+ ! json_is_whitespace(buffer[pos])
+ && ! json_is_at_end(buffer[pos], is_array)
+ && pos < max_size
+ ) {
+ ++pos;
+ }
+
+ // set end to the current position
+ int end = pos;
+
+ // skip any following whitespace
+ json_skip_whitespace(buffer, max_size, pos);
+
+ // if we aren't at a valid endpoint, extraction has failed
+ if (! json_is_at_end(buffer[pos], is_array)) {
+ return false;
+ }
+
+ // copy only from start with length end - start + NULL terminator
+ strcopy(output, end - start + 1, buffer[start]);
+
+ return pos < max_size;
+}
+
+/**
+ * Extracts a JSON string from the buffer until
+ * a valid end point is reached.
+ *
+ * @param buffer String buffer of data.
+ * @param max_size Maximum size of string buffer.
+ * @param pos Position to increment.
+ * @param output String buffer to store output.
+ * @param output_max_size Maximum size of output string buffer.
+ * @param is_array Whether the decoder is processing an array.
+ * @returns True if pos has not reached the end
+ * of the buffer, false otherwise.
+ */
+stock bool json_extract_string(
+ const char[] buffer,
+ int max_size,
+ int &pos,
+ char[] output,
+ int output_max_size,
+ bool is_array
+) {
+ strcopy(output, output_max_size, "");
+
+ // increment past opening quote
+ ++pos;
+
+ // set start to position of first character in string
+ int start = pos;
+
+ // while we haven't hit the end of the buffer
+ while (pos < max_size) {
+ // check for unescaped control characters
+ if (
+ buffer[pos] == '\b'
+ || buffer[pos] == '\f'
+ || buffer[pos] == '\n'
+ || buffer[pos] == '\r'
+ || buffer[pos] == '\t'
+ ) {
+ return false;
+ }
+
+ if (buffer[pos] == '"') {
+ // count preceding backslashes to check if quote is escaped
+ int search_pos = pos;
+ int preceding_backslashes = 0;
+ while (search_pos > 0 && buffer[--search_pos] == '\\') {
+ ++preceding_backslashes;
+ }
+
+ // if we have an even number of backslashes, the quote is not escaped
+ if (preceding_backslashes % 2 == 0) {
+ break;
+ }
+ }
+
+ // pass over the character as it is part of the string
+ ++pos;
+ }
+
+ // set end to the current position
+ int end = pos;
+
+ // increment past closing quote
+ ++pos;
+
+ // skip trailing whitespace
+ if (! json_skip_whitespace(buffer, max_size, pos)) {
+ return false;
+ }
+
+ // if we haven't reached an ending character at the end of the cell,
+ // there is likely junk data not encapsulated by a string
+ if (! json_is_at_end(buffer[pos], is_array)) {
+ return false;
+ }
+
+ // copy only from start with length end - start + NULL terminator
+ strcopy(output, end - start + 1, buffer[start]);
+ json_unescape_string(output, max_size);
+
+ return pos < max_size;
+}
+
+/**
+ * Extracts an int from the buffer.
+ *
+ * @param buffer String buffer of data.
+ * @returns Int value of the buffer.
+ */
+stock int json_extract_int(const char[] buffer)
+{
+ return StringToInt(buffer);
+}
+
+/**
+ * Extracts a float from the buffer.
+ *
+ * @param buffer String buffer of data.
+ * @returns Float value of the buffer.
+ */
+stock float json_extract_float(const char[] buffer)
+{
+ return StringToFloat(buffer);
+}
+
+/**
+ * Extracts a bool from the buffer.
+ *
+ * @param buffer String buffer of data.
+ * @returns Bool value of the buffer.
+ */
+stock bool json_extract_bool(const char[] buffer)
+{
+ return StrEqual(buffer, "true");
+}
diff --git a/sourcemod/scripting/include/json/helpers/encode.inc b/sourcemod/scripting/include/json/helpers/encode.inc
new file mode 100644
index 0000000..ceae54d
--- /dev/null
+++ b/sourcemod/scripting/include/json/helpers/encode.inc
@@ -0,0 +1,200 @@
+/**
+ * vim: set ts=4 :
+ * =============================================================================
+ * sm-json
+ * Provides a pure SourcePawn implementation of JSON encoding and decoding.
+ * https://github.com/clugg/sm-json
+ *
+ * sm-json (C)2019 James Dickens. (clug)
+ * SourceMod (C)2004-2008 AlliedModders LLC. All rights reserved.
+ * =============================================================================
+ *
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, version 3.0, as published by the
+ * Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * As a special exception, AlliedModders LLC gives you permission to link the
+ * code of this program (as well as its derivative works) to "Half-Life 2," the
+ * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
+ * by the Valve Corporation. You must obey the GNU General Public License in
+ * all respects for all other code used. Additionally, AlliedModders LLC grants
+ * this exception to all derivative works. AlliedModders LLC defines further
+ * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
+ * or <http://www.sourcemod.net/license.php>.
+ */
+
+#if defined _json_helpers_encode_included
+ #endinput
+#endif
+#define _json_helpers_encode_included
+
+#include <string>
+
+/**
+ * @section Calculate Buffer Size for Value
+ */
+
+/**
+ * Calculates the maximum buffer length required to
+ * store the JSON cell representation of a string.
+ *
+ * @param length The length of the string.
+ * @returns Maximum buffer length.
+ */
+stock int json_cell_string_size(int length)
+{
+ // double for potential escaping, + 2 for outside quotes + NULL terminator
+ return (length * 2) + 3;
+}
+
+/**
+ * Calculates the maximum buffer length required to
+ * store the JSON cell representation of an int.
+ *
+ * @param input Value to calculate maximum buffer length for.
+ * @returns Maximum buffer length.
+ */
+stock int json_cell_int_size(int input)
+{
+ if (input == 0) {
+ // "0" + NULL terminator
+ return 2;
+ }
+
+ int result = 0;
+ if (input < 0) {
+ // negative sign
+ result += 1;
+ }
+
+ // calculate number of digits in number
+ result += RoundToFloor(Logarithm(FloatAbs(float(input)), 10.0)) + 1;
+
+ // NULL terminator
+ result += 1;
+
+ return result;
+}
+
+/**
+ * Calculates the maximum buffer length required to
+ * store the JSON cell representation of a float.
+ *
+ * @returns Maximum buffer length.
+ */
+stock int json_cell_float_size()
+{
+ return JSON_FLOAT_BUFFER_SIZE;
+}
+
+/**
+ * Calculates the maximum buffer length required to
+ * store the JSON cell representation of a bool.
+ *
+ * @returns Maximum buffer length.
+ */
+stock int json_cell_bool_size()
+{
+ // "true"|"false" + NULL terminator
+ return 6;
+}
+
+/**
+ * Calculates the maximum buffer length required to
+ * store the JSON cell representation of null.
+ *
+ * @returns Maximum buffer length.
+ */
+stock int json_cell_null_size()
+{
+ // "null" + NULL terminator
+ return 5;
+}
+
+/**
+ * @section Convert Values to JSON Cells
+ */
+
+/**
+ * Generates the JSON cell representation of a string.
+ *
+ * @param input Value to generate output for.
+ * @param output String buffer to store output.
+ * @param max_size Maximum size of string buffer.
+ */
+stock void json_cell_string(const char[] input, char[] output, int max_size)
+{
+ // add dummy char that won't be escaped to replace with a quote later
+ strcopy(output, max_size, "?");
+
+ // add input string to output
+ StrCat(output, max_size, input);
+
+ // escape the output string
+ json_escape_string(output, max_size);
+
+ // surround string with quotations
+ output[0] = '"';
+ StrCat(output, max_size, "\"");
+}
+
+/**
+ * Generates the JSON cell representation of an int.
+ *
+ * @param input Value to generate output for.
+ * @param output String buffer to store output.
+ * @param max_size Maximum size of string buffer.
+ */
+stock void json_cell_int(int input, char[] output, int max_size)
+{
+ IntToString(input, output, max_size);
+}
+
+/**
+ * Generates the JSON cell representation of a float.
+ *
+ * @param input Value to generate output for.
+ * @param output String buffer to store output.
+ * @param max_size Maximum size of string buffer.
+ */
+stock void json_cell_float(float input, char[] output, int max_size)
+{
+ FloatToString(input, output, max_size);
+
+ // trim trailing 0s from float output up until decimal point
+ int last_char = strlen(output) - 1;
+ while (output[last_char] == '0' && output[last_char - 1] != '.') {
+ output[last_char--] = '\0';
+ }
+}
+
+/**
+ * Generates the JSON cell representation of a bool.
+ *
+ * @param input Value to generate output for.
+ * @param output String buffer to store output.
+ * @param max_size Maximum size of string buffer.
+ */
+stock void json_cell_bool(bool input, char[] output, int max_size)
+{
+ strcopy(output, max_size, (input) ? "true" : "false");
+}
+
+/**
+ * Generates the JSON cell representation of null.
+ *
+ * @param output String buffer to store output.
+ * @param max_size Maximum size of string buffer.
+ */
+stock void json_cell_null(char[] output, int max_size)
+{
+ strcopy(output, max_size, "null");
+}
diff --git a/sourcemod/scripting/include/json/helpers/string.inc b/sourcemod/scripting/include/json/helpers/string.inc
new file mode 100644
index 0000000..14fe38a
--- /dev/null
+++ b/sourcemod/scripting/include/json/helpers/string.inc
@@ -0,0 +1,133 @@
+/**
+ * vim: set ts=4 :
+ * =============================================================================
+ * sm-json
+ * Provides a pure SourcePawn implementation of JSON encoding and decoding.
+ * https://github.com/clugg/sm-json
+ *
+ * sm-json (C)2019 James Dickens. (clug)
+ * SourceMod (C)2004-2008 AlliedModders LLC. All rights reserved.
+ * =============================================================================
+ *
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, version 3.0, as published by the
+ * Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * As a special exception, AlliedModders LLC gives you permission to link the
+ * code of this program (as well as its derivative works) to "Half-Life 2," the
+ * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
+ * by the Valve Corporation. You must obey the GNU General Public License in
+ * all respects for all other code used. Additionally, AlliedModders LLC grants
+ * this exception to all derivative works. AlliedModders LLC defines further
+ * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
+ * or <http://www.sourcemod.net/license.php>.
+ */
+
+#if defined _json_helpers_string_included
+ #endinput
+#endif
+#define _json_helpers_string_included
+
+/**
+ * Mapping characters to their escaped form.
+ */
+char JSON_STRING_NORMAL[][] = {
+ "\\", "\"", "/", "\b", "\f", "\n", "\r", "\t"
+};
+char JSON_STRING_ESCAPED[][] = {
+ "\\\\", "\\\"", "\\/", "\\b", "\\f", "\\n", "\\r", "\\t"
+};
+
+/**
+ * Escapes a string in-place in a buffer.
+ *
+ * @param buffer String buffer.
+ * @param max_size Maximum size of string buffer.
+ */
+stock void json_escape_string(char[] buffer, int max_size)
+{
+ for (int i = 0; i < sizeof(JSON_STRING_NORMAL); ++i) {
+ ReplaceString(
+ buffer,
+ max_size,
+ JSON_STRING_NORMAL[i],
+ JSON_STRING_ESCAPED[i]
+ );
+ }
+}
+
+/**
+ * Unescapes a string in-place in a buffer.
+ *
+ * @param buffer String buffer.
+ * @param max_size Maximum size of string buffer.
+ */
+stock void json_unescape_string(char[] buffer, int max_size)
+{
+ for (int i = 0; i < sizeof(JSON_STRING_NORMAL); ++i) {
+ ReplaceString(
+ buffer,
+ max_size,
+ JSON_STRING_ESCAPED[i],
+ JSON_STRING_NORMAL[i]
+ );
+ }
+}
+
+/**
+ * Checks if a string starts with another string.
+ *
+ * @param haystack String to check that starts with needle.
+ * @param max_size Maximum size of string buffer.
+ * @param needle String to check that haystack starts with.
+ * @returns True if haystack begins with needle, false otherwise.
+ */
+stock bool json_string_startswith(const char[] haystack, const char[] needle)
+{
+ int haystack_length = strlen(haystack);
+ int needle_length = strlen(needle);
+ if (needle_length > haystack_length) {
+ return false;
+ }
+
+ for (int i = 0; i < needle_length; ++i) {
+ if (haystack[i] != needle[i]) {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+/**
+ * Checks if a string ends with another string.
+ *
+ * @param haystack String to check that ends with needle.
+ * @param max_size Maximum size of string buffer.
+ * @param needle String to check that haystack ends with.
+ * @returns True if haystack ends with needle, false otherwise.
+ */
+stock bool json_string_endswith(const char[] haystack, const char[] needle)
+{
+ int haystack_length = strlen(haystack);
+ int needle_length = strlen(needle);
+ if (needle_length > haystack_length) {
+ return false;
+ }
+
+ for (int i = 0; i < needle_length; ++i) {
+ if (haystack[haystack_length - needle_length + i] != needle[i]) {
+ return false;
+ }
+ }
+
+ return true;
+}
diff --git a/sourcemod/scripting/include/json/object.inc b/sourcemod/scripting/include/json/object.inc
new file mode 100644
index 0000000..8d17568
--- /dev/null
+++ b/sourcemod/scripting/include/json/object.inc
@@ -0,0 +1,1014 @@
+/**
+ * vim: set ts=4 :
+ * =============================================================================
+ * sm-json
+ * Provides a pure SourcePawn implementation of JSON encoding and decoding.
+ * https://github.com/clugg/sm-json
+ *
+ * sm-json (C)2019 James Dickens. (clug)
+ * SourceMod (C)2004-2008 AlliedModders LLC. All rights reserved.
+ * =============================================================================
+ *
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, version 3.0, as published by the
+ * Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * As a special exception, AlliedModders LLC gives you permission to link the
+ * code of this program (as well as its derivative works) to "Half-Life 2," the
+ * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
+ * by the Valve Corporation. You must obey the GNU General Public License in
+ * all respects for all other code used. Additionally, AlliedModders LLC grants
+ * this exception to all derivative works. AlliedModders LLC defines further
+ * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
+ * or <http://www.sourcemod.net/license.php>.
+ */
+
+#if defined _json_object_included
+ #endinput
+#endif
+#define _json_object_included
+
+#include <string>
+#include <json/definitions>
+#include <json/helpers/encode>
+#include <json>
+
+methodmap JSON_Object < StringMap
+{
+ /**
+ * Creates a new JSON_Object.
+ *
+ * @param is_array Should the object created be an array? [default: false]
+ * @returns A new JSON_Object.
+ */
+ public JSON_Object(bool is_array = false)
+ {
+ StringMap self = CreateTrie();
+ if (is_array) {
+ self.SetValue(JSON_ARRAY_INDEX_KEY, 0);
+ }
+
+ return view_as<JSON_Object>(self);
+ }
+
+ /**
+ * Checks whether the object has a key.
+ *
+ * @param key Key to check existence of.
+ * @returns True if the key exists, false otherwise.
+ */
+ public bool HasKey(const char[] key)
+ {
+ int dummy_int;
+ char dummy_str[1];
+
+ return this.GetValue(key, dummy_int)
+ || this.GetString(key, dummy_str, sizeof(dummy_str));
+ }
+
+ /**
+ * @section Array helpers.
+ */
+
+ /**
+ * Whether the current object is an array.
+ */
+ property bool IsArray {
+ public get()
+ {
+ return this.HasKey(JSON_ARRAY_INDEX_KEY);
+ }
+ }
+
+ /**
+ * The current index of the object if it is an array, or -1 otherwise.
+ */
+ property int CurrentIndex {
+ public get()
+ {
+ if (! this.IsArray) {
+ return -1;
+ }
+
+ int result;
+ return (this.GetValue(JSON_ARRAY_INDEX_KEY, result)) ? result : -1;
+ }
+
+ public set(int value)
+ {
+ this.SetValue(JSON_ARRAY_INDEX_KEY, value);
+ }
+ }
+
+ /**
+ * The number of items in the object if it is an array,
+ * or the number of keys (including meta-keys) otherwise.
+ */
+ property int Length {
+ public get()
+ {
+ StringMapSnapshot snap = this.Snapshot();
+ int length = (this.IsArray) ? this.CurrentIndex : snap.Length;
+ delete snap;
+
+ return length;
+ }
+ }
+
+ /**
+ * Increments the current index of the object.
+ *
+ * @returns True on success, false if the current object is not an array.
+ */
+ public bool IncrementIndex()
+ {
+ if (! this.HasKey(JSON_ARRAY_INDEX_KEY)) {
+ return false;
+ }
+
+ this.CurrentIndex += 1;
+
+ return true;
+ }
+
+ /**
+ * Checks whether the object has an index.
+ *
+ * @param index Index to check existence of.
+ * @returns True if the index exists, false otherwise.
+ */
+ public bool HasIndex(int index)
+ {
+ return index >= 0 && index < this.Length;
+ }
+
+ /**
+ * Gets the string representation of an array index.
+ *
+ * @param output String buffer to store output.
+ * @param max_size Maximum size of string buffer.
+ * @param key Key to get string for. [default: current index]
+ * @returns True on success, false otherwise.
+ */
+ public int GetIndexString(char[] output, int max_size, int key = -1)
+ {
+ key = (key == -1) ? this.CurrentIndex : key;
+ if (key == -1) {
+ return false;
+ }
+
+ return IntToString(key, output, max_size);
+ }
+
+ /**
+ * @section Internal Getters
+ */
+
+ /**
+ * Gets the cell type stored at a key.
+ *
+ * @param key Key to get value type for.
+ * @returns Value type for key provided,
+ * or Type_Invalid if it does not exist.
+ */
+ public JSON_CELL_TYPE GetKeyType(const char[] key)
+ {
+ int max_size = strlen(key) + strlen(JSON_META_TYPE_KEY) + 1;
+ char[] type_key = new char[max_size];
+ Format(type_key, max_size, "%s%s", key, JSON_META_TYPE_KEY);
+
+ JSON_CELL_TYPE type;
+ return (this.GetValue(type_key, type)) ? type : Type_Invalid;
+ }
+
+ /**
+ * Gets the cell type stored at an index.
+ *
+ * @param index Index to get value type for.
+ * @returns Value type for index provided, or Type_Invalid if it does not exist.
+ */
+ public JSON_CELL_TYPE GetKeyTypeIndexed(int index)
+ {
+ char key[JSON_INDEX_BUFFER_SIZE];
+ if (! this.GetIndexString(key, sizeof(key), index)) {
+ return Type_Invalid;
+ }
+
+ return this.GetKeyType(key);
+ }
+
+ /**
+ * Gets the length of the string stored at a key.
+ *
+ * @param key Key to get string length for.
+ * @returns Length of string at key provided,
+ * or -1 if it is not a string/does not exist.
+ */
+ public int GetKeyLength(const char[] key)
+ {
+ int max_size = strlen(key) + strlen(JSON_META_LENGTH_KEY) + 1;
+ char[] length_key = new char[max_size];
+ Format(length_key, max_size, "%s%s", key, JSON_META_LENGTH_KEY);
+
+ int length;
+ return (this.GetValue(length_key, length)) ? length : -1;
+ }
+
+ /**
+ * Gets the length of the string stored at an index.
+ *
+ * @param index Index to get string length for.
+ * @returns Length of string at index provided, or -1 if it is not a string/does not exist.
+ */
+ public int GetKeyLengthIndexed(int index)
+ {
+ char key[JSON_INDEX_BUFFER_SIZE];
+ if (! this.GetIndexString(key, sizeof(key), index)) {
+ return -1;
+ }
+
+ return this.GetKeyLength(key);
+ }
+
+ /**
+ * Gets whether the key should be hidden from encoding.
+ *
+ * @param key Key to get hidden state for.
+ * @returns Whether or not the key should be hidden.
+ */
+ public bool GetKeyHidden(const char[] key)
+ {
+ int max_size = strlen(key) + strlen(JSON_META_HIDDEN_KEY) + 1;
+ char[] length_key = new char[max_size];
+ Format(length_key, max_size, "%s%s", key, JSON_META_HIDDEN_KEY);
+
+ bool hidden;
+ return (this.GetValue(length_key, hidden)) ? hidden : false;
+ }
+
+ /**
+ * Gets whether the index should be hidden from encoding.
+ *
+ * @param index Index to get hidden state for.
+ * @returns Whether or not the index should be hidden.
+ */
+ public bool GetKeyHiddenIndexed(int index)
+ {
+ char key[JSON_INDEX_BUFFER_SIZE];
+ if (! this.GetIndexString(key, sizeof(key), index)) {
+ return false;
+ }
+
+ return this.GetKeyHidden(key);
+ }
+
+ /**
+ * @section Internal Setters
+ */
+
+ /**
+ * Sets the cell type stored at a key.
+ *
+ * @param key Key to set value type for.
+ * @param type Type to set key to.
+ * @returns True on success, false otherwise.
+ */
+ public bool SetKeyType(const char[] key, JSON_CELL_TYPE type)
+ {
+ int max_size = strlen(key) + strlen(JSON_META_TYPE_KEY) + 1;
+ char[] type_key = new char[max_size];
+ Format(type_key, max_size, "%s%s", key, JSON_META_TYPE_KEY);
+
+ return this.SetValue(type_key, type);
+ }
+
+ /**
+ * Sets the cell type stored at an index.
+ *
+ * @param index Index to set value type for.
+ * @param type Type to set index to.
+ * @returns True on success, false otherwise.
+ */
+ public bool SetKeyTypeIndexed(int index, JSON_CELL_TYPE value)
+ {
+ char key[JSON_INDEX_BUFFER_SIZE];
+ if (! this.GetIndexString(key, sizeof(key), index)) {
+ return false;
+ }
+
+ return this.SetKeyType(key, value);
+ }
+
+ /**
+ * Sets the length of the string stored at a key.
+ *
+ * @param key Key to set string length for.
+ * @param length Length to set string to.
+ * @returns True on success, false otherwise.
+ */
+ public bool SetKeyLength(const char[] key, int length)
+ {
+ int max_size = strlen(key) + strlen(JSON_META_LENGTH_KEY) + 1;
+ char[] length_key = new char[max_size];
+ Format(length_key, max_size, "%s%s", key, JSON_META_LENGTH_KEY);
+
+ return this.SetValue(length_key, length);
+ }
+
+ /**
+ * Sets the length of the string stored at an index.
+ *
+ * @param index Index to set string length for.
+ * @param length Length to set string to.
+ * @returns True on success, false otherwise.
+ */
+ public bool SetKeyLengthIndexed(int index, int length)
+ {
+ char key[JSON_INDEX_BUFFER_SIZE];
+ if (! this.GetIndexString(key, sizeof(key), index)) {
+ return false;
+ }
+
+ return this.SetKeyLength(key, length);
+ }
+
+ /**
+ * Sets whether the key should be hidden from encoding.
+ *
+ * @param key Key to set hidden state for.
+ * @param hidden Wheter or not the key should be hidden.
+ * @returns True on success, false otherwise.
+ */
+ public bool SetKeyHidden(const char[] key, bool hidden)
+ {
+ int max_size = strlen(key) + strlen(JSON_META_HIDDEN_KEY) + 1;
+ char[] hidden_key = new char[max_size];
+ Format(hidden_key, max_size, "%s%s", key, JSON_META_HIDDEN_KEY);
+
+ return this.SetValue(hidden_key, hidden);
+ }
+
+ /**
+ * Sets whether the index should be hidden from encoding.
+ *
+ * @param index Index to set hidden state for.
+ * @param hidden Wheter or not the index should be hidden.
+ * @returns True on success, false otherwise.
+ */
+ public bool SetKeyHiddenIndexed(int index, bool hidden)
+ {
+ char key[JSON_INDEX_BUFFER_SIZE];
+ if (! this.GetIndexString(key, sizeof(key), index)) {
+ return false;
+ }
+
+ return this.SetKeyHidden(key, hidden);
+ }
+
+ /**
+ * @section Getters
+ */
+
+ // GetValue is implemented natively by StringMap
+
+ /**
+ * Retrieves the value stored at an index.
+ *
+ * @param index Index to retrieve value for.
+ * @param value Variable to store value.
+ * @returns Value stored at index.
+ */
+ public bool GetValueIndexed(int index, any &value)
+ {
+ char key[JSON_INDEX_BUFFER_SIZE];
+ if (! this.GetIndexString(key, sizeof(key), index)) {
+ return false;
+ }
+
+ return this.GetValue(key, value);
+ }
+
+ // GetString is implemented natively by StringMap
+
+ /**
+ * Retrieves the string stored at an index.
+ *
+ * @param index Index to retrieve string value for.
+ * @param value String buffer to store output.
+ * @param max_size Maximum size of string buffer.
+ * @returns True on success. False if the key is not set, or the key is set as a value or array (not a string).
+ */
+ public bool GetStringIndexed(int index, char[] value, int max_size)
+ {
+ char key[JSON_INDEX_BUFFER_SIZE];
+ if (! this.GetIndexString(key, sizeof(key), index)) {
+ return false;
+ }
+
+ return this.GetString(key, value, max_size);
+ }
+
+ /**
+ * Retrieves the int stored at a key.
+ *
+ * @param key Key to retrieve int value for.
+ * @returns Value stored at key.
+ */
+ public int GetInt(const char[] key)
+ {
+ int value;
+ return (this.GetValue(key, value)) ? value : -1;
+ }
+
+ /**
+ * Retrieves the int stored at an index.
+ *
+ * @param index Index to retrieve int value for.
+ * @returns Value stored at index.
+ */
+ public int GetIntIndexed(int index)
+ {
+ char key[JSON_INDEX_BUFFER_SIZE];
+ if (! this.GetIndexString(key, sizeof(key), index)) {
+ return -1;
+ }
+
+ return this.GetInt(key);
+ }
+
+ /**
+ * Retrieves the float stored at a key.
+ *
+ * @param key Key to retrieve float value for.
+ * @returns Value stored at key.
+ */
+ public float GetFloat(const char[] key)
+ {
+ float value;
+ return (this.GetValue(key, value)) ? value : -1.0;
+ }
+
+ /**
+ * Retrieves the float stored at an index.
+ *
+ * @param index Index to retrieve float value for.
+ * @returns Value stored at index.
+ */
+ public float GetFloatIndexed(int index)
+ {
+ char key[JSON_INDEX_BUFFER_SIZE];
+ if (! this.GetIndexString(key, sizeof(key), index)) {
+ return -1.0;
+ }
+
+ return this.GetFloat(key);
+ }
+
+ /**
+ * Retrieves the bool stored at a key.
+ *
+ * @param key Key to retrieve bool value for.
+ * @returns Value stored at key.
+ */
+ public bool GetBool(const char[] key)
+ {
+ bool value;
+ return (this.GetValue(key, value)) ? value : false;
+ }
+
+ /**
+ * Retrieves the bool stored at an index.
+ *
+ * @param index Index to retrieve bool value for.
+ * @returns Value stored at index.
+ */
+ public bool GetBoolIndexed(int index)
+ {
+ char key[JSON_INDEX_BUFFER_SIZE];
+ if (! this.GetIndexString(key, sizeof(key), index)) {
+ return false;
+ }
+
+ return this.GetBool(key);
+ }
+
+ /**
+ * Retrieves the handle stored at a key.
+ *
+ * @param key Key to retrieve handle value for.
+ * @returns Value stored at key.
+ */
+ public Handle GetHandle(const char[] key)
+ {
+ Handle value;
+ return (this.GetValue(key, value)) ? value : null;
+ }
+
+ /**
+ * Retrieves the handle stored at an index.
+ *
+ * @param index Index to retrieve handle value for.
+ * @returns Value stored at index.
+ */
+ public Handle GetHandleIndexed(int index)
+ {
+ char key[JSON_INDEX_BUFFER_SIZE];
+ if (! this.GetIndexString(key, sizeof(key), index)) {
+ return null;
+ }
+
+ return this.GetHandle(key);
+ }
+
+ /**
+ * Retrieves the JSON object stored at a key.
+ *
+ * @param key Key to retrieve object value for.
+ * @returns Value stored at key.
+ */
+ public JSON_Object GetObject(const char[] key)
+ {
+ return view_as<JSON_Object>(this.GetHandle(key));
+ }
+
+ /**
+ * Retrieves the object stored at an index.
+ *
+ * @param index Index to retrieve object value for.
+ * @returns Value stored at index.
+ */
+ public JSON_Object GetObjectIndexed(int index)
+ {
+ char key[JSON_INDEX_BUFFER_SIZE];
+ if (! this.GetIndexString(key, sizeof(key), index)) {
+ return null;
+ }
+
+ return this.GetObject(key);
+ }
+
+ /**
+ * @section Setters
+ */
+
+ /**
+ * Sets the string stored at a key.
+ *
+ * @param key Key to set to string value.
+ * @param value Value to set.
+ * @returns True on success, false otherwise.
+ */
+ public bool SetString(const char[] key, const char[] value, bool replace = true)
+ {
+ return this.SetString(key, value, replace)
+ && this.SetKeyType(key, Type_String)
+ && this.SetKeyLength(key, strlen(value));
+ }
+
+ /**
+ * Sets the string stored at an index.
+ *
+ * @param index Index to set to string value.
+ * @param value Value to set.
+ * @returns True on success, false otherwise.
+ */
+ public bool SetStringIndexed(int index, const char[] value, bool replace = true)
+ {
+ char key[JSON_INDEX_BUFFER_SIZE];
+ if (! this.GetIndexString(key, sizeof(key), index)) {
+ return false;
+ }
+
+ return this.SetString(key, value, replace);
+ }
+
+ /**
+ * Sets the int stored at a key.
+ *
+ * @param key Key to set to int value.
+ * @param value Value to set.
+ * @returns True on success, false otherwise.
+ */
+ public bool SetInt(const char[] key, int value, bool replace = true)
+ {
+ return this.SetValue(key, value, replace)
+ && this.SetKeyType(key, Type_Int);
+ }
+
+ /**
+ * Sets the int stored at an index.
+ *
+ * @param index Index to set to int value.
+ * @param value Value to set.
+ * @returns True on success, false otherwise.
+ */
+ public bool SetIntIndexed(int index, int value, bool replace = true)
+ {
+ char key[JSON_INDEX_BUFFER_SIZE];
+ if (! this.GetIndexString(key, sizeof(key), index)) {
+ return false;
+ }
+
+ return this.SetInt(key, value, replace);
+ }
+
+ /**
+ * Sets the float stored at a key.
+ *
+ * @param key Key to set to float value.
+ * @param value Value to set.
+ * @returns True on success, false otherwise.
+ */
+ public bool SetFloat(const char[] key, float value, bool replace = true)
+ {
+ return this.SetValue(key, value, replace)
+ && this.SetKeyType(key, Type_Float);
+ }
+
+ /**
+ * Sets the float stored at an index.
+ *
+ * @param index Index to set to float value.
+ * @param value Value to set.
+ * @returns True on success, false otherwise.
+ */
+ public bool SetFloatIndexed(int index, float value, bool replace = true)
+ {
+ char key[JSON_INDEX_BUFFER_SIZE];
+ if (! this.GetIndexString(key, sizeof(key), index)) {
+ return false;
+ }
+
+ return this.SetFloat(key, value, replace);
+ }
+
+ /**
+ * Sets the bool stored at a key.
+ *
+ * @param key Key to set to bool value.
+ * @param value Value to set.
+ * @returns True on success, false otherwise.
+ */
+ public bool SetBool(const char[] key, bool value, bool replace = true)
+ {
+ return this.SetValue(key, value, replace)
+ && this.SetKeyType(key, Type_Bool);
+ }
+
+ /**
+ * Sets the bool stored at an index.
+ *
+ * @param index Index to set to bool value.
+ * @param value Value to set.
+ * @returns True on success, false otherwise.
+ */
+ public bool SetBoolIndexed(int index, bool value, bool replace = true)
+ {
+ char key[JSON_INDEX_BUFFER_SIZE];
+ if (! this.GetIndexString(key, sizeof(key), index)) {
+ return false;
+ }
+
+ return this.SetBool(key, value, replace);
+ }
+
+ /**
+ * Sets the handle stored at a key.
+ *
+ * @param key Key to set to handle value.
+ * @param value Value to set.
+ * @returns True on success, false otherwise.
+ */
+ public bool SetHandle(const char[] key, Handle value = null, bool replace = true)
+ {
+ return this.SetValue(key, value, replace)
+ && this.SetKeyType(key, Type_Null);
+ }
+
+ /**
+ * Sets the handle stored at an index.
+ *
+ * @param index Index to set to handle value.
+ * @param value Value to set.
+ * @returns True on success, false otherwise.
+ */
+ public bool SetHandleIndexed(int index, Handle value = null, bool replace = true)
+ {
+ char key[JSON_INDEX_BUFFER_SIZE];
+ if (! this.GetIndexString(key, sizeof(key), index)) {
+ return false;
+ }
+
+ return this.SetHandle(key, value, replace);
+ }
+
+ /**
+ * Sets the object stored at a key.
+ *
+ * @param key Key to set to object value.
+ * @param value Value to set.
+ * @returns True on success, false otherwise.
+ */
+ public bool SetObject(const char[] key, JSON_Object value, bool replace = true)
+ {
+ return this.SetValue(key, value, replace)
+ && this.SetKeyType(key, Type_Object);
+ }
+
+ /**
+ * Sets the object stored at an index.
+ *
+ * @param index Index to set to object value.
+ * @param value Value to set.
+ * @returns True on success, false otherwise.
+ */
+ public bool SetObjectIndexed(int index, JSON_Object value, bool replace = true)
+ {
+ char key[JSON_INDEX_BUFFER_SIZE];
+ if (! this.GetIndexString(key, sizeof(key), index)) {
+ return false;
+ }
+
+ return this.SetObject(key, value, replace);
+ }
+
+ /**
+ * @section Array setters.
+ */
+
+ /**
+ * Pushes a string to the end of the array.
+ *
+ * @param value Value to push.
+ * @returns True on success, false otherwise.
+ */
+ public bool PushString(const char[] value)
+ {
+ return this.SetStringIndexed(this.CurrentIndex, value)
+ && this.IncrementIndex();
+ }
+
+ /**
+ * Pushes an int to the end of the array.
+ *
+ * @param value Value to push.
+ * @returns True on success, false otherwise.
+ */
+ public bool PushInt(int value)
+ {
+ return this.SetIntIndexed(this.CurrentIndex, value)
+ && this.IncrementIndex();
+ }
+
+ /**
+ * Pushes a float to the end of the array.
+ *
+ * @param value Value to push.
+ * @returns True on success, false otherwise.
+ */
+ public bool PushFloat(float value)
+ {
+ return this.SetFloatIndexed(this.CurrentIndex, value)
+ && this.IncrementIndex();
+ }
+
+ /**
+ * Pushes a bool to the end of the array.
+ *
+ * @param value Value to push.
+ * @returns True on success, false otherwise.
+ */
+ public bool PushBool(bool value)
+ {
+ return this.SetBoolIndexed(this.CurrentIndex, value)
+ && this.IncrementIndex();
+ }
+
+ /**
+ * Pushes a handle to the end of the array.
+ *
+ * @param value Value to push.
+ * @returns True on success, false otherwise.
+ */
+ public bool PushHandle(Handle value = null)
+ {
+ return this.SetHandleIndexed(this.CurrentIndex, value)
+ && this.IncrementIndex();
+ }
+
+ /**
+ * Pushes an object to the end of the array.
+ *
+ * @param value Value to push.
+ * @returns True on success, false otherwise.
+ */
+ public bool PushObject(JSON_Object value)
+ {
+ return this.SetObjectIndexed(this.CurrentIndex, value)
+ && this.IncrementIndex();
+ }
+
+ /**
+ * @section Generic.
+ */
+
+ /**
+ * Finds the index of a value in the array.
+ *
+ * @param value Value to search for.
+ * @returns The index of the value if it is found, -1 otherwise.
+ */
+ public int IndexOf(any value)
+ {
+ any current;
+ for (int i = 0; i < this.CurrentIndex; ++i) {
+ if (this.GetValueIndexed(i, current) && value == current) {
+ return i;
+ }
+ }
+
+ return -1;
+ }
+
+ /**
+ * Finds the index of a string in the array.
+ *
+ * @param value String to search for.
+ * @returns The index of the string if it is found, -1 otherwise.
+ */
+ public int IndexOfString(const char[] value)
+ {
+ for (int i = 0; i < this.CurrentIndex; ++i) {
+ if (this.GetKeyTypeIndexed(i) != Type_String) {
+ continue;
+ }
+
+ int current_size = this.GetKeyLengthIndexed(i) + 1;
+ char[] current = new char[current_size];
+ this.GetStringIndexed(i, current, current_size);
+ if (StrEqual(value, current)) {
+ return i;
+ }
+ }
+
+ return -1;
+ }
+
+ /**
+ * Determines whether the array contains a value.
+ *
+ * @param value Value to search for.
+ * @returns True if the value is found, false otherwise.
+ */
+ public bool Contains(any value)
+ {
+ return this.IndexOf(value) != -1;
+ }
+
+ /**
+ * Determines whether the array contains a string.
+ *
+ * @param value String to search for.
+ * @returns True if the string is found, false otherwise.
+ */
+ public bool ContainsString(const char[] value)
+ {
+ return this.IndexOfString(value) != -1;
+ }
+
+ /**
+ * Removes an item from the object by key.
+ *
+ * @param key Key of object to remove.
+ * @returns True on success, false if the value was never set.
+ */
+ public bool Remove(const char[] key) {
+ static char meta_keys[][] = {
+ JSON_META_TYPE_KEY, JSON_META_LENGTH_KEY, JSON_META_HIDDEN_KEY
+ };
+
+ // create a new char[] which will fit the longest meta-key
+ int meta_key_size = strlen(key) + 8;
+ char[] meta_key = new char[meta_key_size];
+
+ // view ourselves as a StringMap so we can call underlying Remove() method
+ StringMap self = view_as<StringMap>(this);
+
+ bool success = true;
+ for (int i = 0; i < sizeof(meta_keys); ++i) {
+ Format(meta_key, meta_key_size, "%s%s", key, meta_keys[i]);
+
+ if (this.HasKey(meta_key)) {
+ success = success && self.Remove(meta_key);
+ }
+ }
+
+ return success && self.Remove(key);
+ }
+
+ /**
+ * Removes a key and its related meta-keys from the object.
+ *
+ * @param key Key to remove.
+ * @returns True on success, false if the value was never set.
+ */
+ public bool RemoveIndexed(int index)
+ {
+ if (! this.HasIndex(index)) {
+ return false;
+ }
+
+ char key[JSON_INDEX_BUFFER_SIZE];
+ if (! this.GetIndexString(key, sizeof(key), index)) {
+ return false;
+ }
+
+ if (! this.Remove(key)) {
+ return false;
+ }
+
+ for (int i = index + 1; i < this.CurrentIndex; ++i) {
+ if (! this.GetIndexString(key, sizeof(key), i)) {
+ return false;
+ }
+
+ int target = i - 1;
+
+ JSON_CELL_TYPE type = this.GetKeyTypeIndexed(i);
+
+ switch (type) {
+ case Type_String: {
+ int str_length = this.GetKeyLengthIndexed(i);
+ char[] str_value = new char[str_length];
+
+ this.GetStringIndexed(i, str_value, str_length + 1);
+ this.SetStringIndexed(target, str_value);
+ }
+ case Type_Int: {
+ this.SetIntIndexed(target, this.GetIntIndexed(i));
+ }
+ case Type_Float: {
+ this.SetFloatIndexed(target, this.GetFloatIndexed(i));
+ }
+ case Type_Bool: {
+ this.SetBoolIndexed(target, this.GetBoolIndexed(i));
+ }
+ case Type_Null: {
+ this.SetHandleIndexed(target, this.GetHandleIndexed(i));
+ }
+ case Type_Object: {
+ this.SetObjectIndexed(target, this.GetObjectIndexed(i));
+ }
+ }
+
+ if (this.GetKeyHiddenIndexed(i)) {
+ this.SetKeyHiddenIndexed(target, true);
+ }
+
+ this.Remove(key);
+ }
+
+ this.CurrentIndex -= 1;
+
+ return true;
+ }
+
+ /**
+ * Encodes the instance into its string representation.
+ *
+ * @param output String buffer to store output.
+ * @param max_size Maximum size of string buffer.
+ * @param pretty_print Should the output be pretty printed (newlines and spaces)? [default: false]
+ * @param depth The current depth of the encoder. [default: 0]
+ */
+ public void Encode(char[] output, int max_size, bool pretty_print = false, int depth = 0)
+ {
+ json_encode(this, output, max_size, pretty_print, depth);
+ }
+
+ /**
+ * Decodes a JSON string into this object.
+ *
+ * @param buffer Buffer to decode.
+ */
+ public void Decode(const char[] buffer)
+ {
+ json_decode(buffer, this);
+ }
+
+ /**
+ * Recursively cleans up the object and any objects referenced within.
+ */
+ public void Cleanup()
+ {
+ json_cleanup(this);
+ }
+};
diff --git a/sourcemod/scripting/include/json/string_helpers.inc b/sourcemod/scripting/include/json/string_helpers.inc
new file mode 100644
index 0000000..6063d47
--- /dev/null
+++ b/sourcemod/scripting/include/json/string_helpers.inc
@@ -0,0 +1,77 @@
+/**
+ * vim: set ts=4 :
+ * =============================================================================
+ * sm-json
+ * Provides a pure SourcePawn implementation of JSON encoding and decoding.
+ * https://github.com/clugg/sm-json
+ *
+ * sm-json (C)2018 James D. (clug)
+ * SourceMod (C)2004-2008 AlliedModders LLC. All rights reserved.
+ * =============================================================================
+ *
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, version 3.0, as published by the
+ * Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * As a special exception, AlliedModders LLC gives you permission to link the
+ * code of this program (as well as its derivative works) to "Half-Life 2," the
+ * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
+ * by the Valve Corporation. You must obey the GNU General Public License in
+ * all respects for all other code used. Additionally, AlliedModders LLC grants
+ * this exception to all derivative works. AlliedModders LLC defines further
+ * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
+ * or <http://www.sourcemod.net/license.php>.
+ */
+
+#if defined _json_string_helpers_included
+ #endinput
+#endif
+#define _json_string_helpers_included
+
+/**
+ * Checks if a string starts with another string.
+ *
+ * @param haystack String to check that starts with needle.
+ * @param maxlen Maximum size of string buffer.
+ * @param needle String to check that haystack starts with.
+ * @return True if haystack begins with needle, false otherwise.
+ */
+stock bool json_string_startswith(const char[] haystack, const char[] needle) {
+ int haystack_length = strlen(haystack);
+ int needle_length = strlen(needle);
+ if (needle_length > haystack_length) return false;
+
+ for (int i = 0; i < needle_length; ++i) {
+ if (haystack[i] != needle[i]) return false;
+ }
+
+ return true;
+}
+
+/**
+ * Checks if a string ends with another string.
+ *
+ * @param haystack String to check that ends with needle.
+ * @param maxlen Maximum size of string buffer.
+ * @param needle String to check that haystack ends with.
+ * @return True if haystack ends with needle, false otherwise.
+ */
+stock bool json_string_endswith(const char[] haystack, const char[] needle) {
+ int haystack_length = strlen(haystack);
+ int needle_length = strlen(needle);
+ if (needle_length > haystack_length) return false;
+
+ for (int i = 0; i < needle_length; ++i) {
+ if (haystack[haystack_length - needle_length + i] != needle[i]) return false;
+ }
+
+ return true;
+} \ No newline at end of file