Port to CMake, get rid of os_int.h.

[stg.git] / libs / srvconf / parsers / get_container.h

diff --git a/libs/srvconf/parsers/get_container.h b/libs/srvconf/parsers/get_container.h
new file mode 100644 (file)
index 0000000..cbfd1ea
--- /dev/null
+++ b/libs/srvconf/parsers/get_container.h
@@ -0,0 +1,104 @@
+/*
+ *    This program is free software; you can redistribute it and/or modify
+ *    it under the terms of the GNU General Public License as published by
+ *    the Free Software Foundation; either version 2 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *    You should have received a copy of the GNU General Public License
+ *    along with this program; if not, write to the Free Software
+ *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+/*
+ *    Author : Maxim Mamontov <faust@stargazer.dp.ua>
+ */
+
+#ifndef __STG_STGLIBS_SRVCONF_PARSER_GET_CONTAINER_H__
+#define __STG_STGLIBS_SRVCONF_PARSER_GET_CONTAINER_H__
+
+#include "base.h"
+
+#include <string>
+
+#include <strings.h>
+
+namespace STG
+{
+namespace GET_CONTAINER
+{
+
+template <typename ELEMENT_PARSER>
+class PARSER: public STG::PARSER
+{
+public:
+    typedef std::vector<typename ELEMENT_PARSER::INFO> INFO;
+    typedef void (* CALLBACK)(bool result, const std::string & reason, const INFO & info, void * data);
+    PARSER(const std::string & t, CALLBACK f, void * d, const std::string & e)
+        : tag(t), callback(f), data(d), encoding(e),
+          elementParser(&PARSER<ELEMENT_PARSER>::ElementCallback, this, e),
+          depth(0), parsingAnswer(false)
+    {}
+    int  ParseStart(const char * el, const char ** attr)
+    {
+    depth++;
+    if (depth == 1 && strcasecmp(el, tag.c_str()) == 0)
+        parsingAnswer = true;
+
+    if (depth > 1 && parsingAnswer)
+        elementParser.ParseStart(el, attr);
+
+    return 0;
+    }
+    void ParseEnd(const char * el)
+    {
+    depth--;
+    if (depth > 0 && parsingAnswer)
+        elementParser.ParseEnd(el);
+
+    if (depth == 0 && parsingAnswer)
+        {
+        if (callback)
+            callback(error.empty(), error, info, data);
+        error.clear();
+        info.clear();
+        parsingAnswer = false;
+        }
+    }
+    void Failure(const std::string & reason) { callback(false, reason, info, data); }
+
+private:
+    std::string tag;
+    CALLBACK callback;
+    void * data;
+    std::string encoding;
+    ELEMENT_PARSER elementParser;
+    INFO info;
+    int depth;
+    bool parsingAnswer;
+    std::string error;
+
+    void AddElement(const typename ELEMENT_PARSER::INFO & elementInfo)
+    {
+    info.push_back(elementInfo);
+    }
+    void SetError(const std::string & e) { error = e; }
+
+    static void ElementCallback(bool result, const std::string& reason, const typename ELEMENT_PARSER::INFO & info, void * data)
+    {
+    PARSER<ELEMENT_PARSER> * parser = static_cast<PARSER<ELEMENT_PARSER> *>(data);
+    if (!result)
+        parser->SetError(reason);
+    else
+        parser->AddElement(info);
+    }
+};
+
+} // namespace GET_CONTAINER
+} // namespace STG
+
+#endif