import from github

tools/preproc/string_parser.h

@@ -0,0 +1,55 @@
+// Copyright(c) 2016 YamaArashi
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#ifndef STRING_PARSER_H
+#define STRING_PARSER_H
+
+#include <cstdint>
+#include <string>
+#include "preproc.h"
+
+class StringParser
+{
+public:
+    StringParser(char* buffer, long size) : m_buffer(buffer), m_size(size), m_pos(0) {}
+    int ParseString(long srcPos, unsigned char* dest, int &destLength);
+
+private:
+    struct Integer
+    {
+        std::uint32_t value;
+        int size;
+    };
+
+    char* m_buffer;
+    long m_size;
+    long m_pos;
+
+    Integer ReadInteger();
+    Integer ReadDecimal();
+    Integer ReadHex();
+    std::string ReadCharOrEscape();
+    std::string ReadBracketedConstants();
+    void SkipWhitespace();
+    void SkipRestOfInteger(int radix);
+    void RaiseError(const char* format, ...);
+};
+
+#endif // STRING_PARSER_H