1 files changed, 61 insertions, 0 deletions
diff --git a/src/lib/json-parser.h b/src/lib/json-parser.h
new file mode 100644
index 0000000..745f4a7
--- /dev/null
+++ b/src/lib/json-parser.h
@@ -0,0 +1,61 @@
+#ifndef JSON_PARSER_H
+#define JSON_PARSER_H
+
+#include "unichar.h"
+
+enum json_type {
+	/* { key: */
+	JSON_TYPE_OBJECT_KEY,
+	/* : { new object */
+	JSON_TYPE_OBJECT,
+	/* } (not returned for the root object) */
+	JSON_TYPE_OBJECT_END,
+
+	JSON_TYPE_ARRAY,
+	JSON_TYPE_ARRAY_END,
+
+	JSON_TYPE_STRING,
+	JSON_TYPE_NUMBER,
+	JSON_TYPE_TRUE,
+	JSON_TYPE_FALSE,
+	JSON_TYPE_NULL
+};
+
+enum json_parser_flags {
+	/* By default we assume that the input is an object and parsing skips
+	   the root level "{" and "}". If this flag is set, it's possible to
+	   parse any other type of JSON values directly. */
+	JSON_PARSER_NO_ROOT_OBJECT	= 0x01
+};
+
+/* Parse JSON tokens from the input stream. */
+struct json_parser *json_parser_init(struct istream *input);
+struct json_parser *json_parser_init_flags(struct istream *input,
+					   enum json_parser_flags flags);
+
+int json_parser_deinit(struct json_parser **parser, const char **error_r);
+
+/* Parse the next token. Returns 1 if found, 0 if more input stream is
+   non-blocking and needs more input, -1 if input stream is at EOF. */
+int json_parse_next(struct json_parser *parser, enum json_type *type_r,
+		    const char **value_r);
+/* Skip the next object value. If it's an object, its members are also
+   skipped. */
+void json_parse_skip_next(struct json_parser *parser);
+/* Skip the remainder of the value parsed earlier by json_parse_next(). */
+void json_parse_skip(struct json_parser *parser);
+/* Return the following string as input stream. Returns 1 if ok, 0 if
+   input stream is non-blocking and needs more input, -1 if the next token
+   isn't a string (call json_parse_next()). */
+int json_parse_next_stream(struct json_parser *parser,
+			   struct istream **input_r);
+
+/* Append UCS4 to already opened JSON string. */
+void json_append_escaped_ucs4(string_t *dest, unichar_t chr);
+/* Append data to already opened JSON string. src should be valid UTF-8 data. */
+void json_append_escaped(string_t *dest, const char *src);
+/* Same as json_append_escaped(), but append non-\0 terminated input. */
+void json_append_escaped_data(string_t *dest, const unsigned char *src, size_t size);
+void ostream_escaped_json_format(string_t *dest, unsigned char src);
+
+#endif