diff options
Diffstat (limited to 'sourcemod/scripting/include/json/helpers')
| -rw-r--r-- | sourcemod/scripting/include/json/helpers/decode.inc | 502 | ||||
| -rw-r--r-- | sourcemod/scripting/include/json/helpers/encode.inc | 200 | ||||
| -rw-r--r-- | sourcemod/scripting/include/json/helpers/string.inc | 133 |
3 files changed, 0 insertions, 835 deletions
diff --git a/sourcemod/scripting/include/json/helpers/decode.inc b/sourcemod/scripting/include/json/helpers/decode.inc deleted file mode 100644 index f420222..0000000 --- a/sourcemod/scripting/include/json/helpers/decode.inc +++ /dev/null @@ -1,502 +0,0 @@ -/** - * 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 deleted file mode 100644 index ceae54d..0000000 --- a/sourcemod/scripting/include/json/helpers/encode.inc +++ /dev/null @@ -1,200 +0,0 @@ -/** - * 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 deleted file mode 100644 index 14fe38a..0000000 --- a/sourcemod/scripting/include/json/helpers/string.inc +++ /dev/null @@ -1,133 +0,0 @@ -/** - * 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; -} |