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-rw-r--r--cdec_json_parser/json_parse.h62
1 files changed, 62 insertions, 0 deletions
diff --git a/cdec_json_parser/json_parse.h b/cdec_json_parser/json_parse.h
new file mode 100644
index 0000000..80c037b
--- /dev/null
+++ b/cdec_json_parser/json_parse.h
@@ -0,0 +1,62 @@
+#ifndef _JSON_WRAPPER_H_
+#define _JSON_WRAPPER_H_
+
+#include <iostream>
+#include <cassert>
+#include "JSON_parser.h"
+
+class JSONParser {
+ public:
+ JSONParser() {
+ state = -1;
+ init_JSON_config(&config);
+ hack.mf = &JSONParser::Callback;
+ config.depth = 10;
+ config.callback_ctx = reinterpret_cast<void*>(this);
+ config.callback = hack.cb;
+ config.allow_comments = 1;
+ config.handle_floats_manually = 1;
+ jc = new_JSON_parser(&config);
+ }
+ virtual ~JSONParser() {
+ delete_JSON_parser(jc);
+ }
+ bool Parse(std::istream* in) {
+ int count = 0;
+ int lc = 1;
+ for (; in ; ++count) {
+ int next_char = in->get();
+ if (!in->good()) break;
+ if (lc == '\n') { ++lc; }
+ if (!JSON_parser_char(jc, next_char)) {
+ std::cerr << "JSON_parser_char: syntax error, line " << lc << " (byte " << count << ")" << std::endl;
+ return false;
+ }
+ }
+ if (!JSON_parser_done(jc)) {
+ std::cerr << "JSON_parser_done: syntax error\n";
+ return false;
+ }
+ return true;
+ }
+ static void WriteEscapedString(const std::string& in, std::ostream* out);
+ protected:
+ bool HandleJSONEvent(int type, const JSON_value* value);
+ private:
+ int state;
+ std::string cur_key;
+ std::string cat;
+ int Callback(int type, const JSON_value* value) {
+ if (HandleJSONEvent(type, value)) return 1;
+ return 0;
+ }
+ JSON_parser_struct* jc;
+ JSON_config config;
+ typedef int (JSONParser::* MF)(int type, const struct JSON_value_struct* value);
+ union CBHack {
+ JSON_parser_callback cb;
+ MF mf;
+ } hack;
+};
+
+#endif