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Added Base64Decode

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git-svn-id: https://znc.svn.sourceforge.net/svnroot/znc/trunk@403 726aef4b-f618-498e-8847-2d620e286838
This commit is contained in:
prozacx
2005-07-01 23:50:22 +00:00
parent 878c5d5a2b
commit 98378cd86b
2 changed files with 73 additions and 10 deletions
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49
String.cpp
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@@ -92,7 +92,7 @@ CString CString::AsLower() const {
return sRet;
}
CString CString::Escape_n(EEscape eFrom, EEscape eTo) {
CString CString::Escape_n(EEscape eFrom, EEscape eTo) const {
CString sRet;
const char szHex[] = "0123456789ABCDEF";
const unsigned char *pStart = (const unsigned char*) data();
@@ -103,6 +103,7 @@ CString CString::Escape_n(EEscape eFrom, EEscape eTo) {
for (unsigned int a = 0; a < iLength; a++, p = pStart + a) {
switch (eFrom) {
case EHTML:
case EAscii:
ch = *p;
break;
@@ -133,6 +134,7 @@ CString CString::Escape_n(EEscape eFrom, EEscape eTo) {
}
switch (eTo) {
case EHTML:
case EAscii:
sRet += ch;
break;
@@ -155,8 +157,8 @@ CString CString::Escape_n(EEscape eFrom, EEscape eTo) {
return sRet;
}
CString CString::Escape_n(EEscape eTo) {
return Escape(EAscii, eTo);
CString CString::Escape_n(EEscape eTo) const {
return Escape_n(EAscii, eTo);
}
CString& CString::Escape(EEscape eFrom, EEscape eTo) {
@@ -246,13 +248,13 @@ CString CString::Right(unsigned int uCount) const {
return substr(length() - uCount, uCount);
}
VCString CString::Split(const CString& sDelim, bool bAllowEmpty) {
VCString CString::Split(const CString& sDelim, bool bAllowEmpty) const {
VCString vsRet;
Split(sDelim, vsRet, bAllowEmpty);
return vsRet;
}
unsigned int CString::Split(const CString& sDelim, VCString& vsRet, bool bAllowEmpty) {
unsigned int CString::Split(const CString& sDelim, VCString& vsRet, bool bAllowEmpty) const {
vsRet.empty();
CString sTmp = *this;
@@ -278,6 +280,43 @@ CString CString::Format(const CString& sFormatStr, ...) {
return "";
}
unsigned long CString::Base64Decode(CString& sRet) const {
const char* in = c_str();
char c, c1, *p;
unsigned long i;
unsigned long uLen = size();
char* out = (char*) malloc(size() +1);
for (i = 0, p = out; i < uLen; i++) {
c = (char)base64_table[(unsigned char)in[i++]];
c1 = (char)base64_table[(unsigned char)in[i++]];
*p++ = (c << 2) | ((c1 >> 4) & 0x3);
if (i < uLen) {
if (in[i] == '=') {
break;
}
c = (char)base64_table[(unsigned char)in[i]];
*p++ = ((c1 << 4) & 0xf0) | ((c >> 2) & 0xf);
}
if (++i < uLen) {
if (in[i] == '=') {
break;
}
*p++ = ((c << 6) & 0xc0) | (char)base64_table[(unsigned char)in[i]];
}
}
*p = '\0';
unsigned long uRet = p - out;
sRet = out;
free(out);
return uRet;
}
CString CString::ToString(char c) { stringstream s; s << c; return s.str(); }
CString CString::ToString(unsigned char c) { stringstream s; s << c; return s.str(); }
CString CString::ToString(short i) { stringstream s; s << i; return s.str(); }