GEEKING

ClientShared/rapidjson/filestream.h

@@ -0,0 +1,46 @@
+#ifndef RAPIDJSON_FILESTREAM_H_
+#define RAPIDJSON_FILESTREAM_H_
+
+#include <cstdio>
+
+namespace rapidjson {
+
+//! Wrapper of C file stream for input or output.
+/*!
+	This simple wrapper does not check the validity of the stream.
+	\implements Stream
+*/
+class FileStream {
+public:
+	typedef char Ch;	//!< Character type. Only support char.
+
+	FileStream(FILE* fp) : fp_(fp), count_(0) { Read(); }
+	char Peek() const { return current_; }
+	char Take() { char c = current_; Read(); return c; }
+	size_t Tell() const { return count_; }
+	void Put(char c) { fputc(c, fp_); }
+
+	// Not implemented
+	char* PutBegin() { return 0; }
+	size_t PutEnd(char*) { return 0; }
+
+private:
+	void Read() {
+		RAPIDJSON_ASSERT(fp_ != 0);
+		int c = fgetc(fp_);
+		if (c != EOF) {
+			current_ = (char)c;
+			count_++;
+		}
+		else
+			current_ = '\0';
+	}
+
+	FILE* fp_;
+	char current_;
+	size_t count_;
+};
+
+} // namespace rapidjson
+
+#endif // RAPIDJSON_FILESTREAM_H_