1 files changed, 152 insertions, 0 deletions
diff --git a/cdec_json_parser/JSON_parser.h b/cdec_json_parser/JSON_parser.h
new file mode 100644
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--- /dev/null
+++ b/cdec_json_parser/JSON_parser.h
@@ -0,0 +1,152 @@
+#ifndef JSON_PARSER_H
+#define JSON_PARSER_H
+
+/* JSON_parser.h */
+
+
+#include <stddef.h>
+
+/* Windows DLL stuff */
+#ifdef _WIN32
+#	ifdef JSON_PARSER_DLL_EXPORTS
+#		define JSON_PARSER_DLL_API __declspec(dllexport)
+#	else
+#		define JSON_PARSER_DLL_API __declspec(dllimport)
+#   endif
+#else
+#	define JSON_PARSER_DLL_API
+#endif
+
+/* Determine the integer type use to parse non-floating point numbers */
+#if __STDC_VERSION__ >= 199901L || HAVE_LONG_LONG == 1
+typedef long long JSON_int_t;
+#define JSON_PARSER_INTEGER_SSCANF_TOKEN "%lld"
+#define JSON_PARSER_INTEGER_SPRINTF_TOKEN "%lld"
+#else
+typedef long JSON_int_t;
+#define JSON_PARSER_INTEGER_SSCANF_TOKEN "%ld"
+#define JSON_PARSER_INTEGER_SPRINTF_TOKEN "%ld"
+#endif
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum
+{
+    JSON_T_NONE = 0,
+    JSON_T_ARRAY_BEGIN,  // 1
+    JSON_T_ARRAY_END,    // 2
+    JSON_T_OBJECT_BEGIN, // 3
+    JSON_T_OBJECT_END,   // 4
+    JSON_T_INTEGER,      // 5
+    JSON_T_FLOAT,        // 6
+    JSON_T_NULL,         // 7
+    JSON_T_TRUE,         // 8
+    JSON_T_FALSE,        // 9
+    JSON_T_STRING,       // 10
+    JSON_T_KEY,          // 11
+    JSON_T_MAX           // 12
+} JSON_type;
+
+typedef struct JSON_value_struct {
+    union {
+        JSON_int_t integer_value;
+
+        double float_value;
+
+        struct {
+            const char* value;
+            size_t length;
+        } str;
+    } vu;
+} JSON_value;
+
+typedef struct JSON_parser_struct* JSON_parser;
+
+/*! \brief JSON parser callback
+
+    \param ctx The pointer passed to new_JSON_parser.
+    \param type An element of JSON_type but not JSON_T_NONE.
+    \param value A representation of the parsed value. This parameter is NULL for
+        JSON_T_ARRAY_BEGIN, JSON_T_ARRAY_END, JSON_T_OBJECT_BEGIN, JSON_T_OBJECT_END,
+        JSON_T_NULL, JSON_T_TRUE, and SON_T_FALSE. String values are always returned
+        as zero-terminated C strings.
+
+    \return Non-zero if parsing should continue, else zero.
+*/
+typedef int (*JSON_parser_callback)(void* ctx, int type, const struct JSON_value_struct* value);
+
+
+/*! \brief The structure used to configure a JSON parser object
+
+    \param depth If negative, the parser can parse arbitrary levels of JSON, otherwise
+        the depth is the limit
+    \param Pointer to a callback. This parameter may be NULL. In this case the input is merely checked for validity.
+    \param Callback context. This parameter may be NULL.
+    \param depth. Specifies the levels of nested JSON to allow. Negative numbers yield unlimited nesting.
+    \param allowComments. To allow C style comments in JSON, set to non-zero.
+    \param handleFloatsManually. To decode floating point numbers manually set this parameter to non-zero.
+
+    \return The parser object.
+*/
+typedef struct {
+    JSON_parser_callback     callback;
+    void*                    callback_ctx;
+    int                      depth;
+    int                      allow_comments;
+    int                      handle_floats_manually;
+} JSON_config;
+
+
+/*! \brief Initializes the JSON parser configuration structure to default values.
+
+    The default configuration is
+    - 127 levels of nested JSON (depends on JSON_PARSER_STACK_SIZE, see json_parser.c)
+    - no parsing, just checking for JSON syntax
+    - no comments
+
+    \param config. Used to configure the parser.
+*/
+JSON_PARSER_DLL_API void init_JSON_config(JSON_config* config);
+
+/*! \brief Create a JSON parser object
+
+    \param config. Used to configure the parser. Set to NULL to use the default configuration.
+        See init_JSON_config
+
+    \return The parser object.
+*/
+JSON_PARSER_DLL_API extern JSON_parser new_JSON_parser(JSON_config* config);
+
+/*! \brief Destroy a previously created JSON parser object. */
+JSON_PARSER_DLL_API extern void delete_JSON_parser(JSON_parser jc);
+
+/*! \brief Parse a character.
+
+    \return Non-zero, if all characters passed to this function are part of are valid JSON.
+*/
+JSON_PARSER_DLL_API extern int JSON_parser_char(JSON_parser jc, int next_char);
+
+/*! \brief Finalize parsing.
+
+    Call this method once after all input characters have been consumed.
+
+    \return Non-zero, if all parsed characters are valid JSON, zero otherwise.
+*/
+JSON_PARSER_DLL_API extern int JSON_parser_done(JSON_parser jc);
+
+/*! \brief Determine if a given string is valid JSON white space
+
+    \return Non-zero if the string is valid, zero otherwise.
+*/
+JSON_PARSER_DLL_API extern int JSON_parser_is_legal_white_space_string(const char* s);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif /* JSON_PARSER_H */