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// Common/TextConfig.cpp
#include "StdAfx.h"
#include "TextConfig.h"
#include "UTFConvert.h"
static inline bool IsDelimitChar(char c)
{
return (c == ' ' || c == 0x0A || c == 0x0D || c == '\0' || c == '\t');
}
static AString GetIDString(const char *s, unsigned &finishPos)
{
AString result;
for (finishPos = 0; ; finishPos++)
{
const char c = s[finishPos];
if (IsDelimitChar(c) || c == '=')
break;
result += c;
}
return result;
}
static bool WaitNextLine(const AString &s, unsigned &pos)
{
for (; pos < s.Len(); pos++)
if (s[pos] == 0x0A)
return true;
return false;
}
static bool SkipSpaces(const AString &s, unsigned &pos)
{
for (; pos < s.Len(); pos++)
{
const char c = s[pos];
if (!IsDelimitChar(c))
{
if (c != ';')
return true;
if (!WaitNextLine(s, pos))
return false;
}
}
return false;
}
bool GetTextConfig(const AString &s, CObjectVector<CTextConfigPair> &pairs)
{
pairs.Clear();
unsigned pos = 0;
/////////////////////
// read strings
for (;;)
{
if (!SkipSpaces(s, pos))
break;
CTextConfigPair pair;
unsigned finishPos;
const AString temp (GetIDString(((const char *)s) + pos, finishPos));
if (!ConvertUTF8ToUnicode(temp, pair.ID))
return false;
if (finishPos == 0)
return false;
pos += finishPos;
if (!SkipSpaces(s, pos))
return false;
if (s[pos] != '=')
return false;
pos++;
if (!SkipSpaces(s, pos))
return false;
if (s[pos] != '\"')
return false;
pos++;
AString message;
for (;;)
{
if (pos >= s.Len())
return false;
char c = s[pos++];
if (c == '\"')
break;
if (c == '\\')
{
c = s[pos++];
switch (c)
{
case 'n': c = '\n'; break;
case 't': c = '\t'; break;
case '\\': break;
case '\"': break;
default: message += '\\'; break;
}
}
message += c;
}
if (!ConvertUTF8ToUnicode(message, pair.String))
return false;
pairs.Add(pair);
}
return true;
}
int FindTextConfigItem(const CObjectVector<CTextConfigPair> &pairs, const char *id) throw()
{
FOR_VECTOR (i, pairs)
if (pairs[i].ID.IsEqualTo(id))
return (int)i;
return -1;
}
UString GetTextConfigValue(const CObjectVector<CTextConfigPair> &pairs, const char *id)
{
const int index = FindTextConfigItem(pairs, id);
if (index < 0)
return UString();
return pairs[index].String;
}
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