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author | Mattes D <github@xoft.cz> | 2014-02-17 23:47:04 +0100 |
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committer | Mattes D <github@xoft.cz> | 2014-02-17 23:47:04 +0100 |
commit | 7aeae734e5917c3aa1436ddd0ace99ea92ac0288 (patch) | |
tree | 9cd9a53d561412f767eb2b3e29b2214aee42c2d0 /lib | |
parent | Added the InfoReg plugin library file. (diff) | |
parent | Fixed comment typo (diff) | |
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Diffstat (limited to 'lib')
-rw-r--r-- | lib/inifile/iniFile.cpp | 38 | ||||
-rw-r--r-- | lib/inifile/iniFile.h | 2 |
2 files changed, 39 insertions, 1 deletions
diff --git a/lib/inifile/iniFile.cpp b/lib/inifile/iniFile.cpp index afa1c110d..cf8b63987 100644 --- a/lib/inifile/iniFile.cpp +++ b/lib/inifile/iniFile.cpp @@ -83,6 +83,8 @@ bool cIniFile::ReadFile(const AString & a_FileName, bool a_AllowExampleRedirect) } } + bool IsFirstLine = true; + while (getline(f, line)) { // To be compatible with Win32, check for existence of '\r'. @@ -90,6 +92,14 @@ bool cIniFile::ReadFile(const AString & a_FileName, bool a_AllowExampleRedirect) // Note that the '\r' will be written to INI files from // Unix so that the created INI file can be read under Win32 // without change. + + // Removes UTF-8 Byte Order Markers (BOM) if, present. + if (IsFirstLine) + { + RemoveBom(line); + IsFirstLine = false; + } + size_t lineLength = line.length(); if (lineLength == 0) { @@ -162,11 +172,12 @@ bool cIniFile::ReadFile(const AString & a_FileName, bool a_AllowExampleRedirect) { return false; } - + if (IsFromExampleRedirect) { WriteFile(FILE_IO_PREFIX + a_FileName); } + return true; } @@ -824,3 +835,28 @@ AString cIniFile::CheckCase(const AString & s) const + +void cIniFile::RemoveBom(AString & a_line) const +{ + // The BOM sequence for UTF-8 is 0xEF,0xBB,0xBF + static unsigned const char BOM[] = { 0xEF, 0xBB, 0xBF }; + + // The BOM sequence, if present, is always th e first three characters of the input. + const AString ref = a_line.substr(0, 3); + + // If any of the first three chars do not match, return and do nothing. + for (int i = 0; i < 3; ++i) + { + if (static_cast<unsigned char>(ref[i]) != BOM[i]) + { + return; + } + } + + // First three characters match; erase them. + a_line.erase(0, 3); +} + + + + diff --git a/lib/inifile/iniFile.h b/lib/inifile/iniFile.h index 40af618dc..0bf1d917e 100644 --- a/lib/inifile/iniFile.h +++ b/lib/inifile/iniFile.h @@ -51,6 +51,8 @@ private: /// If the object is case-insensitive, returns s as lowercase; otherwise returns s as-is AString CheckCase(const AString & s) const; + /// Removes the UTF-8 BOMs (Byte order makers), if present. + void RemoveBom(AString & a_line) const; public: enum errors { |