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diff --git a/sourcemod/scripting/include/json/decode_helpers.inc b/sourcemod/scripting/include/json/decode_helpers.inc
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+/**
+ * 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");
+}