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authornarroo <narroo@vt.edu>2014-02-16 01:56:36 +0100
committernarroo <narroo@vt.edu>2014-02-16 01:56:36 +0100
commit8c34b2d9748311840a93f64494f56a5b1e81015f (patch)
treef137575cc5a8dbf00a1aca7a20aaa4bd79f017a2 /lib
parentUpdated Plugin article (diff)
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Diffstat (limited to 'lib')
-rw-r--r--lib/inifile/iniFile.cpp156
-rw-r--r--lib/inifile/iniFile.h2
2 files changed, 91 insertions, 67 deletions
diff --git a/lib/inifile/iniFile.cpp b/lib/inifile/iniFile.cpp
index afa1c110d..7b0df3d68 100644
--- a/lib/inifile/iniFile.cpp
+++ b/lib/inifile/iniFile.cpp
@@ -83,91 +83,97 @@ bool cIniFile::ReadFile(const AString & a_FileName, bool a_AllowExampleRedirect)
}
}
- while (getline(f, line))
- {
- // To be compatible with Win32, check for existence of '\r'.
- // Win32 files have the '\r' and Unix files don't at the end of a line.
- // 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.
- size_t lineLength = line.length();
- if (lineLength == 0)
- {
- continue;
- }
- if (line[lineLength - 1] == '\r')
- {
- line = line.substr(0, lineLength - 1);
- }
+ if (getline(f, line))
+ {
+ // Removes UTF-8 Byte Order Markers (BOM) if, present.
+ RemoveBom(line);
- if (line.length() == 0)
+ do
{
- continue;
- }
+ // To be compatible with Win32, check for existence of '\r'.
+ // Win32 files have the '\r' and Unix files don't at the end of a line.
+ // 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.
+ size_t lineLength = line.length();
+ if (lineLength == 0)
+ {
+ continue;
+ }
+ if (line[lineLength - 1] == '\r')
+ {
+ line = line.substr(0, lineLength - 1);
+ }
- // Check that the user hasn't opened a binary file by checking the first
- // character of each line!
- if (!isprint(line[0]))
- {
- printf("%s: Binary-check failed on char %d\n", __FUNCTION__, line[0]);
- f.close();
- return false;
- }
- if ((pLeft = line.find_first_of(";#[=")) == AString::npos)
- {
- continue;
- }
+ if (line.length() == 0)
+ {
+ continue;
+ }
- switch (line[pLeft])
- {
+ // Check that the user hasn't opened a binary file by checking the first
+ // character of each line!
+ if (!isprint(line[0]))
+ {
+ printf("%s: Binary-check failed on char %d\n", __FUNCTION__, line[0]);
+ f.close();
+ return false;
+ }
+ if ((pLeft = line.find_first_of(";#[=")) == AString::npos)
+ {
+ continue;
+ }
+
+ switch (line[pLeft])
+ {
case '[':
{
- if (
- ((pRight = line.find_last_of("]")) != AString::npos) &&
- (pRight > pLeft)
- )
- {
- keyname = line.substr(pLeft + 1, pRight - pLeft - 1);
- AddKeyName(keyname);
- }
- break;
+ if (
+ ((pRight = line.find_last_of("]")) != AString::npos) &&
+ (pRight > pLeft)
+ )
+ {
+ keyname = line.substr(pLeft + 1, pRight - pLeft - 1);
+ AddKeyName(keyname);
+ }
+ break;
}
case '=':
{
- valuename = line.substr(0, pLeft);
- value = line.substr(pLeft + 1);
- AddValue(keyname, valuename, value);
- break;
+ valuename = line.substr(0, pLeft);
+ value = line.substr(pLeft + 1);
+ AddValue(keyname, valuename, value);
+ break;
}
case ';':
case '#':
{
- if (names.size() == 0)
- {
- AddHeaderComment(line.substr(pLeft + 1));
- }
- else
- {
- AddKeyComment(keyname, line.substr(pLeft + 1));
- }
- break;
+ if (names.size() == 0)
+ {
+ AddHeaderComment(line.substr(pLeft + 1));
+ }
+ else
+ {
+ AddKeyComment(keyname, line.substr(pLeft + 1));
+ }
+ break;
}
- } // switch (line[pLeft])
- } // while (getline())
+ } // switch (line[pLeft])
+ } while (getline(f, line)); // do
- f.close();
- if (names.size() == 0)
- {
- return false;
- }
-
- if (IsFromExampleRedirect)
- {
- WriteFile(FILE_IO_PREFIX + a_FileName);
+ f.close();
+ if (names.size() == 0)
+ {
+ return false;
+ }
+
+ if (IsFromExampleRedirect)
+ {
+ WriteFile(FILE_IO_PREFIX + a_FileName);
+ }
+ return true;
}
- return true;
}
@@ -824,3 +830,19 @@ AString cIniFile::CheckCase(const AString & s) const
+
+void cIniFile::RemoveBom(AString & a_line) const
+{
+ // The BOM sequence for UTF-8 is 0xEF,0xBB,0xBF ( In Unicode Latin I:  )
+ static char BOM[] = { 0xEF, 0xBB, 0xBF };
+
+ // The BOM sequence, if present, is always the first three characters of the input.
+ if (a_line.compare(0, 3, BOM) == 0)
+ {
+ 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
{