From 75c07011b7c4d06acd7b45dabdcd60ab9d80f385 Mon Sep 17 00:00:00 2001 From: Daniel Wilhelm Date: Fri, 18 Apr 2014 17:29:28 +0200 Subject: 5.23 --- zenxml/doc/io_8h_source.html | 213 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 213 insertions(+) create mode 100644 zenxml/doc/io_8h_source.html (limited to 'zenxml/doc/io_8h_source.html') diff --git a/zenxml/doc/io_8h_source.html b/zenxml/doc/io_8h_source.html new file mode 100644 index 00000000..09ec749d --- /dev/null +++ b/zenxml/doc/io_8h_source.html @@ -0,0 +1,213 @@ + + + + + +zen::Xml: io.h Source File + + + + + + + + + + + +
+ + +
+ + + + + + + + + + + + + +
+
zen::Xml + +
+
Simple C++ XML Processing
+
+
+ + + + + +
+ +
+ All Classes Namespaces Functions Variables
+ + +
+ +
+ +
+
+
io.h
+
+
+
00001 // **************************************************************************
+00002 // * This file is part of the zen::Xml project. It is distributed under the *
+00003 // * Boost Software License: http://www.boost.org/LICENSE_1_0.txt           *
+00004 // * Copyright (C) Zenju (zenju AT gmx DOT de) - All Rights Reserved        *
+00005 // **************************************************************************
+00006 
+00007 #ifndef ZEN_XML_IO_HEADER_8917640501480763248343343
+00008 #define ZEN_XML_IO_HEADER_8917640501480763248343343
+00009 
+00010 #include <cstdio>
+00011 #include <cerrno>
+00012 #include <zen/scope_guard.h>
+00013 #include <zen/utf.h>
+00014 #include "error.h"
+00015 
+00016 namespace zen
+00017 {
+00023 #if !defined(ZEN_PLATFORM_WINDOWS) && !defined(ZEN_PLATFORM_OTHER)
+00024 #error Please specify your platform: #define ZEN_PLATFORM_WINDOWS or ZEN_PLATFORM_OTHER
+00025 #endif
+00026 
+00028 struct XmlFileError : public XmlError
+00029 {
+00030     typedef int ErrorCode;
+00031 
+00032     explicit XmlFileError(ErrorCode ec) : lastError(ec) {}
+00034     ErrorCode lastError;
+00035 };
+00036 
+00037 
+00038 #ifdef ZEN_PLATFORM_WINDOWS
+00039 namespace implemenation //sad but true
+00040 {
+00041 template <class String> inline
+00042 FILE* fopen(const String& filename, const wchar_t* mode)
+00043 {
+00044 #ifdef _MSC_VER
+00045     FILE* handle = nullptr;
+00046     errno_t rv = ::_wfopen_s(&handle, utfCvrtTo<std::wstring>(filename).c_str(), mode); //more secure?
+00047     (void)rv;
+00048     return handle;
+00049 #else
+00050     return ::_wfopen(utfCvrtTo<std::wstring>(filename).c_str(), mode);
+00051 #endif
+00052 }
+00053 }
+00054 #endif
+00055 
+00056 
+00058 
+00064 template <class String>
+00065 void saveStream(const std::string& stream, const String& filename) //throw XmlFileError
+00066 {
+00067 #ifdef ZEN_PLATFORM_WINDOWS
+00068     FILE* handle = implemenation::fopen(utfCvrtTo<std::wstring>(filename).c_str(), L"wb");
+00069 #else
+00070     FILE* handle = ::fopen(utfCvrtTo<std::string>(filename).c_str(), "w");
+00071 #endif
+00072     if (handle == nullptr)
+00073         throw XmlFileError(errno);
+00074     ZEN_ON_SCOPE_EXIT(::fclose(handle));
+00075 
+00076     const size_t bytesWritten = ::fwrite(stream.c_str(), 1, stream.size(), handle);
+00077     if (::ferror(handle) != 0)
+00078         throw XmlFileError(errno);
+00079 
+00080     (void)bytesWritten;
+00081     assert(bytesWritten == stream.size());
+00082 }
+00083 
+00084 
+00086 
+00092 template <class String>
+00093 std::string loadStream(const String& filename) //throw XmlFileError
+00094 {
+00095 #ifdef ZEN_PLATFORM_WINDOWS
+00096     FILE* handle = implemenation::fopen(utfCvrtTo<std::wstring>(filename).c_str(), L"rb");
+00097 #else
+00098     FILE* handle = ::fopen(utfCvrtTo<std::string>(filename).c_str(), "r");
+00099 #endif
+00100     if (handle == nullptr)
+00101         throw XmlFileError(errno);
+00102     ZEN_ON_SCOPE_EXIT(::fclose(handle));
+00103 
+00104     std::string stream;
+00105     const size_t blockSize = 64 * 1024;
+00106     do
+00107     {
+00108         stream.resize(stream.size() + blockSize); //let's pray std::string implements exponential growth!
+00109 
+00110         const size_t bytesRead = ::fread(&*(stream.begin() + stream.size() - blockSize), 1, blockSize, handle);
+00111         if (::ferror(handle))
+00112             throw XmlFileError(errno);
+00113         if (bytesRead > blockSize)
+00114             throw XmlFileError(0);
+00115         if (bytesRead < blockSize)
+00116             stream.resize(stream.size() - (blockSize - bytesRead)); //caveat: unsigned arithmetics
+00117     }
+00118     while (!::feof(handle));
+00119 
+00120     return stream;
+00121 }
+00122 }
+00123 
+00124 #endif //ZEN_XML_IO_HEADER_8917640501480763248343343
+
+ + +
+Generated by   +doxygen + 1.8.0 +
+ + + -- cgit