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utils.cxx
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utils.cxx
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/* Copyright 2009 by Yasuhiro Matsumoto
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#define _CRT_SECURE_NO_DEPRECATE
#ifdef _WIN32
#include <windows.h>
#endif
#ifdef HAVE_ICONV
#include <iconv.h>
#endif
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <time.h>
#ifndef _WIN32
#include <unistd.h>
#include <sys/types.h>
#include <pwd.h>
#include <grp.h>
#endif
#include "utils.h"
#include <sstream>
namespace tthttpd {
const std::string base64_chars =
"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"abcdefghijklmnopqrstuvwxyz"
"0123456789+/";
#define is_base64(c) ( \
isalnum((unsigned char)c) || \
((unsigned char)c == '+') || \
((unsigned char)c == '/'))
struct interval {
unsigned short first;
unsigned short last;
};
static char utf8len_tab[256] =
{
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /*bogus*/
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /*bogus*/
2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,
3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,4,4,4,4,4,4,4,4,5,5,5,5,6,6,1,1,
};
int utf_bytes2char(unsigned char* p)
{
int len;
if (p[0] < 0x80) /* be quick for ASCII */
return p[0];
len = utf8len_tab[p[0]];
if ((p[1] & 0xc0) == 0x80) {
if (len == 2)
return ((p[0] & 0x1f) << 6) + (p[1] & 0x3f);
if ((p[2] & 0xc0) == 0x80) {
if (len == 3)
return ((p[0] & 0x0f) << 12) + ((p[1] & 0x3f) << 6)
+ (p[2] & 0x3f);
if ((p[3] & 0xc0) == 0x80) {
if (len == 4)
return ((p[0] & 0x07) << 18) + ((p[1] & 0x3f) << 12)
+ ((p[2] & 0x3f) << 6) + (p[3] & 0x3f);
if ((p[4] & 0xc0) == 0x80) {
if (len == 5)
return ((p[0] & 0x03) << 24) + ((p[1] & 0x3f) << 18)
+ ((p[2] & 0x3f) << 12) + ((p[3] & 0x3f) << 6)
+ (p[4] & 0x3f);
if ((p[5] & 0xc0) == 0x80 && len == 6)
return ((p[0] & 0x01) << 30) + ((p[1] & 0x3f) << 24)
+ ((p[2] & 0x3f) << 18) + ((p[3] & 0x3f) << 12)
+ ((p[4] & 0x3f) << 6) + (p[5] & 0x3f);
}
}
}
}
/* Illegal value, just return the first byte */
return p[0];
}
int utf_char2bytes(int c, unsigned char* buf)
{
if (c < 0x80) { /* 7 bits */
buf[0] = c;
return 1;
}
if (c < 0x800) { /* 11 bits */
buf[0] = 0xc0 + ((unsigned)c >> 6);
buf[1] = 0x80 + (c & 0x3f);
return 2;
}
if (c < 0x10000) { /* 16 bits */
buf[0] = 0xe0 + ((unsigned)c >> 12);
buf[1] = 0x80 + (((unsigned)c >> 6) & 0x3f);
buf[2] = 0x80 + (c & 0x3f);
return 3;
}
if (c < 0x200000) { /* 21 bits */
buf[0] = 0xf0 + ((unsigned)c >> 18);
buf[1] = 0x80 + (((unsigned)c >> 12) & 0x3f);
buf[2] = 0x80 + (((unsigned)c >> 6) & 0x3f);
buf[3] = 0x80 + (c & 0x3f);
return 4;
}
if (c < 0x4000000) { /* 26 bits */
buf[0] = 0xf8 + ((unsigned)c >> 24);
buf[1] = 0x80 + (((unsigned)c >> 18) & 0x3f);
buf[2] = 0x80 + (((unsigned)c >> 12) & 0x3f);
buf[3] = 0x80 + (((unsigned)c >> 6) & 0x3f);
buf[4] = 0x80 + (c & 0x3f);
return 5;
}
/* 31 bits */
buf[0] = 0xfc + ((unsigned)c >> 30);
buf[1] = 0x80 + (((unsigned)c >> 24) & 0x3f);
buf[2] = 0x80 + (((unsigned)c >> 18) & 0x3f);
buf[3] = 0x80 + (((unsigned)c >> 12) & 0x3f);
buf[4] = 0x80 + (((unsigned)c >> 6) & 0x3f);
buf[5] = 0x80 + (c & 0x3f);
return 6;
}
static int bisearch(wchar_t ucs, const struct interval *table, int max) {
int min = 0;
int mid;
if (ucs < table[0].first || ucs > table[max].last)
return 0;
while (max >= min) {
mid = (min + max) / 2;
if (ucs > table[mid].last)
min = mid + 1;
else if (ucs < table[mid].first)
max = mid - 1;
else
return 1;
}
return 0;
}
int wcwidth(wchar_t ucs)
{
/* sorted list of non-overlapping intervals of non-spacing characters */
static const struct interval combining[] = {
{ 0x0300, 0x034E }, { 0x0360, 0x0362 }, { 0x0483, 0x0486 },
{ 0x0488, 0x0489 }, { 0x0591, 0x05A1 }, { 0x05A3, 0x05B9 },
{ 0x05BB, 0x05BD }, { 0x05BF, 0x05BF }, { 0x05C1, 0x05C2 },
{ 0x05C4, 0x05C4 }, { 0x064B, 0x0655 }, { 0x0670, 0x0670 },
{ 0x06D6, 0x06E4 }, { 0x06E7, 0x06E8 }, { 0x06EA, 0x06ED },
{ 0x070F, 0x070F }, { 0x0711, 0x0711 }, { 0x0730, 0x074A },
{ 0x07A6, 0x07B0 }, { 0x0901, 0x0902 }, { 0x093C, 0x093C },
{ 0x0941, 0x0948 }, { 0x094D, 0x094D }, { 0x0951, 0x0954 },
{ 0x0962, 0x0963 }, { 0x0981, 0x0981 }, { 0x09BC, 0x09BC },
{ 0x09C1, 0x09C4 }, { 0x09CD, 0x09CD }, { 0x09E2, 0x09E3 },
{ 0x0A02, 0x0A02 }, { 0x0A3C, 0x0A3C }, { 0x0A41, 0x0A42 },
{ 0x0A47, 0x0A48 }, { 0x0A4B, 0x0A4D }, { 0x0A70, 0x0A71 },
{ 0x0A81, 0x0A82 }, { 0x0ABC, 0x0ABC }, { 0x0AC1, 0x0AC5 },
{ 0x0AC7, 0x0AC8 }, { 0x0ACD, 0x0ACD }, { 0x0B01, 0x0B01 },
{ 0x0B3C, 0x0B3C }, { 0x0B3F, 0x0B3F }, { 0x0B41, 0x0B43 },
{ 0x0B4D, 0x0B4D }, { 0x0B56, 0x0B56 }, { 0x0B82, 0x0B82 },
{ 0x0BC0, 0x0BC0 }, { 0x0BCD, 0x0BCD }, { 0x0C3E, 0x0C40 },
{ 0x0C46, 0x0C48 }, { 0x0C4A, 0x0C4D }, { 0x0C55, 0x0C56 },
{ 0x0CBF, 0x0CBF }, { 0x0CC6, 0x0CC6 }, { 0x0CCC, 0x0CCD },
{ 0x0D41, 0x0D43 }, { 0x0D4D, 0x0D4D }, { 0x0DCA, 0x0DCA },
{ 0x0DD2, 0x0DD4 }, { 0x0DD6, 0x0DD6 }, { 0x0E31, 0x0E31 },
{ 0x0E34, 0x0E3A }, { 0x0E47, 0x0E4E }, { 0x0EB1, 0x0EB1 },
{ 0x0EB4, 0x0EB9 }, { 0x0EBB, 0x0EBC }, { 0x0EC8, 0x0ECD },
{ 0x0F18, 0x0F19 }, { 0x0F35, 0x0F35 }, { 0x0F37, 0x0F37 },
{ 0x0F39, 0x0F39 }, { 0x0F71, 0x0F7E }, { 0x0F80, 0x0F84 },
{ 0x0F86, 0x0F87 }, { 0x0F90, 0x0F97 }, { 0x0F99, 0x0FBC },
{ 0x0FC6, 0x0FC6 }, { 0x102D, 0x1030 }, { 0x1032, 0x1032 },
{ 0x1036, 0x1037 }, { 0x1039, 0x1039 }, { 0x1058, 0x1059 },
{ 0x1160, 0x11FF }, { 0x17B7, 0x17BD }, { 0x17C6, 0x17C6 },
{ 0x17C9, 0x17D3 }, { 0x180B, 0x180E }, { 0x18A9, 0x18A9 },
{ 0x200B, 0x200F }, { 0x202A, 0x202E }, { 0x206A, 0x206F },
{ 0x20D0, 0x20E3 }, { 0x302A, 0x302F }, { 0x3099, 0x309A },
{ 0xFB1E, 0xFB1E }, { 0xFE20, 0xFE23 }, { 0xFEFF, 0xFEFF },
{ 0xFFF9, 0xFFFB }
};
/* test for 8-bit control characters */
if (ucs == 0)
return 0;
if (ucs < 32 || (ucs >= 0x7f && ucs < 0xa0))
return -1;
/* binary search in table of non-spacing characters */
if (bisearch(ucs, combining,
sizeof(combining) / sizeof(struct interval) - 1))
return 0;
/* if we arrive here, ucs is not a combining or C0/C1 control character */
return 1 +
(ucs >= 0x1100 &&
(ucs <= 0x115f || /* Hangul Jamo init. consonants */
(ucs >= 0x2e80 && ucs <= 0xa4cf && (ucs & ~0x0011) != 0x300a &&
ucs != 0x303f) || /* CJK ... Yi */
(ucs >= 0xac00 && ucs <= 0xd7a3) || /* Hangul Syllables */
(ucs >= 0xf900 && ucs <= 0xfaff) || /* CJK Compatibility Ideographs */
(ucs >= 0xfe30 && ucs <= 0xfe6f) || /* CJK Compatibility Forms */
(ucs >= 0xff00 && ucs <= 0xff5f) || /* Fullwidth Forms */
(ucs >= 0xffe0 && ucs <= 0xffe6) ||
#ifndef _WIN32
(ucs >= 0x20000 && ucs <= 0x2ffff)
#else
0
#endif
));
}
int wcswidth(const wchar_t *pwcs, size_t n)
{
int w, width = 0;
for (;*pwcs && n-- > 0; pwcs++)
if ((w = wcwidth(*pwcs)) < 0)
return -1;
else
width += w;
return width;
}
static int wcwidth_cjk(wchar_t ucs)
{
/* sorted list of non-overlapping intervals of East Asian Ambiguous
* characters */
static const struct interval ambiguous[] = {
{ 0x00A1, 0x00A1 }, { 0x00A4, 0x00A4 }, { 0x00A7, 0x00A8 },
{ 0x00AA, 0x00AA }, { 0x00AD, 0x00AE }, { 0x00B0, 0x00B4 },
{ 0x00B6, 0x00BA }, { 0x00BC, 0x00BF }, { 0x00C6, 0x00C6 },
{ 0x00D0, 0x00D0 }, { 0x00D7, 0x00D8 }, { 0x00DE, 0x00E1 },
{ 0x00E6, 0x00E6 }, { 0x00E8, 0x00EA }, { 0x00EC, 0x00ED },
{ 0x00F0, 0x00F0 }, { 0x00F2, 0x00F3 }, { 0x00F7, 0x00FA },
{ 0x00FC, 0x00FC }, { 0x00FE, 0x00FE }, { 0x0101, 0x0101 },
{ 0x0111, 0x0111 }, { 0x0113, 0x0113 }, { 0x011B, 0x011B },
{ 0x0126, 0x0127 }, { 0x012B, 0x012B }, { 0x0131, 0x0133 },
{ 0x0138, 0x0138 }, { 0x013F, 0x0142 }, { 0x0144, 0x0144 },
{ 0x0148, 0x014B }, { 0x014D, 0x014D }, { 0x0152, 0x0153 },
{ 0x0166, 0x0167 }, { 0x016B, 0x016B }, { 0x01CE, 0x01CE },
{ 0x01D0, 0x01D0 }, { 0x01D2, 0x01D2 }, { 0x01D4, 0x01D4 },
{ 0x01D6, 0x01D6 }, { 0x01D8, 0x01D8 }, { 0x01DA, 0x01DA },
{ 0x01DC, 0x01DC }, { 0x0251, 0x0251 }, { 0x0261, 0x0261 },
{ 0x02C4, 0x02C4 }, { 0x02C7, 0x02C7 }, { 0x02C9, 0x02CB },
{ 0x02CD, 0x02CD }, { 0x02D0, 0x02D0 }, { 0x02D8, 0x02DB },
{ 0x02DD, 0x02DD }, { 0x02DF, 0x02DF }, { 0x0300, 0x034E },
{ 0x0360, 0x0362 }, { 0x0391, 0x03A1 }, { 0x03A3, 0x03A9 },
{ 0x03B1, 0x03C1 }, { 0x03C3, 0x03C9 }, { 0x0401, 0x0401 },
{ 0x0410, 0x044F }, { 0x0451, 0x0451 }, { 0x2010, 0x2010 },
{ 0x2013, 0x2016 }, { 0x2018, 0x2019 }, { 0x201C, 0x201D },
{ 0x2020, 0x2022 }, { 0x2024, 0x2027 }, { 0x2030, 0x2030 },
{ 0x2032, 0x2033 }, { 0x2035, 0x2035 }, { 0x203B, 0x203B },
{ 0x203E, 0x203E }, { 0x2074, 0x2074 }, { 0x207F, 0x207F },
{ 0x2081, 0x2084 }, { 0x20AC, 0x20AC }, { 0x2103, 0x2103 },
{ 0x2105, 0x2105 }, { 0x2109, 0x2109 }, { 0x2113, 0x2113 },
{ 0x2116, 0x2116 }, { 0x2121, 0x2122 }, { 0x2126, 0x2126 },
{ 0x212B, 0x212B }, { 0x2153, 0x2155 }, { 0x215B, 0x215E },
{ 0x2160, 0x216B }, { 0x2170, 0x2179 }, { 0x2190, 0x2199 },
{ 0x21B8, 0x21B9 }, { 0x21D2, 0x21D2 }, { 0x21D4, 0x21D4 },
{ 0x21E7, 0x21E7 }, { 0x2200, 0x2200 }, { 0x2202, 0x2203 },
{ 0x2207, 0x2208 }, { 0x220B, 0x220B }, { 0x220F, 0x220F },
{ 0x2211, 0x2211 }, { 0x2215, 0x2215 }, { 0x221A, 0x221A },
{ 0x221D, 0x2220 }, { 0x2223, 0x2223 }, { 0x2225, 0x2225 },
{ 0x2227, 0x222C }, { 0x222E, 0x222E }, { 0x2234, 0x2237 },
{ 0x223C, 0x223D }, { 0x2248, 0x2248 }, { 0x224C, 0x224C },
{ 0x2252, 0x2252 }, { 0x2260, 0x2261 }, { 0x2264, 0x2267 },
{ 0x226A, 0x226B }, { 0x226E, 0x226F }, { 0x2282, 0x2283 },
{ 0x2286, 0x2287 }, { 0x2295, 0x2295 }, { 0x2299, 0x2299 },
{ 0x22A5, 0x22A5 }, { 0x22BF, 0x22BF }, { 0x2312, 0x2312 },
{ 0x2329, 0x232A }, { 0x2460, 0x24BF }, { 0x24D0, 0x24E9 },
{ 0x2500, 0x254B }, { 0x2550, 0x2574 }, { 0x2580, 0x258F },
{ 0x2592, 0x2595 }, { 0x25A0, 0x25A1 }, { 0x25A3, 0x25A9 },
{ 0x25B2, 0x25B3 }, { 0x25B6, 0x25B7 }, { 0x25BC, 0x25BD },
{ 0x25C0, 0x25C1 }, { 0x25C6, 0x25C8 }, { 0x25CB, 0x25CB },
{ 0x25CE, 0x25D1 }, { 0x25E2, 0x25E5 }, { 0x25EF, 0x25EF },
{ 0x2605, 0x2606 }, { 0x2609, 0x2609 }, { 0x260E, 0x260F },
{ 0x261C, 0x261C }, { 0x261E, 0x261E }, { 0x2640, 0x2640 },
{ 0x2642, 0x2642 }, { 0x2660, 0x2661 }, { 0x2663, 0x2665 },
{ 0x2667, 0x266A }, { 0x266C, 0x266D }, { 0x266F, 0x266F },
{ 0x273D, 0x273D }, { 0x3008, 0x300B }, { 0x3014, 0x3015 },
{ 0x3018, 0x301B }, { 0xFFFD, 0xFFFD }
};
/* binary search in table of non-spacing characters */
if (bisearch(ucs, ambiguous,
sizeof(ambiguous) / sizeof(struct interval) - 1))
return 2;
return wcwidth(ucs);
}
int wcswidth_cjk(const wchar_t *pwcs, size_t n)
{
int w, width = 0;
for (;*pwcs && n-- > 0; pwcs++)
if ((w = wcwidth_cjk(*pwcs)) < 0)
return -1;
else
width += w;
return width;
}
tstring getTimeString(struct tm* _cur) {
struct tm* cur;
if (_cur)
cur = _cur;
else {
time_t tim;
time(&tim);
cur = localtime(&tim);
}
tchar buf[256];
_stprintf(buf, _T("%04d/%02d/%02d %02d:%02d:%02d\n"),
cur->tm_year+1900,
cur->tm_mon,
cur->tm_mday,
cur->tm_hour,
cur->tm_min,
cur->tm_sec);
return buf;
}
std::string tstring2string(tstring strSrc) {
std::string strRet;
#ifdef _UNICODE
UINT codePage = GetACP();
size_t mbssize = WideCharToMultiByte(codePage, 0, (LPCWSTR)strSrc.c_str(), -1, NULL, 0, NULL, NULL);
char* pszStr = new char[mbssize+1];
mbssize = WideCharToMultiByte(codePage, 0, (LPCWSTR)strSrc.c_str(), -1, pszStr, mbssize, NULL, NULL);
pszStr[mbssize] = '\0';
strRet = pszStr;
delete [] pszStr;
#else
strRet = strSrc;
#endif
return strRet;
}
tstring string2tstring(std::string strSrc) {
tstring strRet;
#ifdef _UNICODE
size_t in_len = strlen(strSrc.c_str());
UINT codePage = GetACP();
size_t wcssize = MultiByteToWideChar(codePage, 0, strSrc.c_str(),in_len, NULL, 0);
wchar_t* pszStr = new wchar_t[wcssize + 1];
MultiByteToWideChar(codePage, 0, strSrc.c_str(), in_len, pszStr, wcssize + 1);
pszStr[wcssize] = '\0';
strRet = pszStr;
delete [] pszStr;
#else
strRet = strSrc;
#endif
return strRet;
}
std::string string_to_utf8(std::string str) {
std::string strRet;
std::wstring strSrc;
#ifdef _WIN32
UINT codePage;
size_t in_len = str.size();
codePage = GetACP();
size_t wcssize = MultiByteToWideChar(codePage, 0, str.c_str(),in_len, NULL, 0);
wchar_t* pszStrWC = new wchar_t[wcssize + 1];
wcssize = MultiByteToWideChar(codePage, 0, str.c_str(), in_len, pszStrWC, wcssize + 1);
pszStrWC[wcssize] = '\0';
strSrc = pszStrWC;
delete [] pszStrWC;
codePage = CP_UTF8;
size_t mbssize = WideCharToMultiByte(codePage, 0, (LPCWSTR)strSrc.c_str(), -1, NULL, 0, NULL, NULL);
char* pszStr = new char[mbssize + 1];
mbssize = WideCharToMultiByte(codePage, 0, (LPCWSTR)strSrc.c_str(), -1, pszStr, mbssize, NULL, NULL);
pszStr[mbssize] = '\0';
strRet = pszStr;
delete [] pszStr;
#else
char* ptr = (char*)str.c_str();
size_t mbssize = strlen(ptr);
size_t wcssize = mbssize;
wchar_t* pszStrWC = new wchar_t[wcssize + 1];
size_t n = 0, clen = 0, len = 0;
int tmp = mblen(NULL, 0);
while(len < mbssize) {
clen = mblen(ptr, MB_CUR_MAX);
if (clen <= 0) {
tmp = mblen(NULL, 0);
clen = 1;
}
clen = mbtowc(pszStrWC+n++, ptr, clen);
if (clen <= 0) {
tmp = mblen(NULL, 0);
clen = 1;
}
len += clen;
ptr += clen;
}
pszStrWC[n] = 0;
wcssize = n;
for(n = 0; n < wcssize; n++) {
unsigned char bytes[8] = {0};
utf_char2bytes(pszStrWC[n], bytes);
strRet += (char*)bytes;
}
delete[] pszStrWC;
#endif
return strRet;
}
#ifdef _UNICODE
tstring string_to_utf8(tstring str) {
return str;
}
#endif
std::string utf8_to_string(std::string str) {
std::string strRet;
#ifdef _WIN32
UINT codePage = CP_UTF8;
const char* ptr = str.c_str();
if (str[0] == (char)0xef && str[1] == (char)0xbb && str[2] == (char)0xbf)
ptr += 3;
size_t wcssize = MultiByteToWideChar(codePage, 0, ptr, -1, NULL, 0);
wchar_t* pszStr = new wchar_t[wcssize + 1];
wcssize = MultiByteToWideChar(codePage, 0, ptr, -1, pszStr, wcssize + 1);
pszStr[wcssize] = '\0';
codePage = GetACP();
size_t mbssize = WideCharToMultiByte(codePage, 0, (LPCWSTR)pszStr,-1,NULL,0,NULL,NULL);
char* pszStrMB = new char[mbssize+1];
mbssize = WideCharToMultiByte(codePage, 0, (LPCWSTR)pszStr, -1, pszStrMB, mbssize, NULL, NULL);
pszStrMB[mbssize] = '\0';
strRet = pszStrMB;
delete [] pszStrMB;
delete [] pszStr;
#else
char* ptr = (char*)str.c_str();
if (ptr[0] == (char)0xef && ptr[1] == (char)0xbb && ptr[2] == (char)0xbf)
ptr += 3;
size_t mbssize = strlen(ptr);
size_t wcssize = mbssize;
wchar_t* pszStrWC = new wchar_t[wcssize + 1];
size_t n = 0, clen = 0, len = 0;
while(len < mbssize) {
int c = utf_bytes2char((unsigned char*)ptr);
if (c == 0x301c) c = 0xff5e;
if (c == 0x2016) c = 0x2225;
if (c == 0x2212) c = 0xff0d;
if (c == 0x00a2) c = 0xffe0;
if (c == 0x00a3) c = 0xffe1;
if (c == 0x00ac) c = 0xffe2;
pszStrWC[n++] = c;
clen = utf8len_tab[(unsigned char)*ptr];
len += clen;
ptr += clen;
}
pszStrWC[n] = 0;
wcssize = n;
mbssize = wcslen(pszStrWC)*8;
char* pszStrMB = new char[mbssize + 1];
clen = 0;
len = 0;
for(n = 0; n < wcssize; n++) {
clen = wctomb(pszStrMB+len, pszStrWC[n]);
len += clen <= 0 ? 1 : clen;
}
*(pszStrMB+len) = 0;
delete[] pszStrWC;
strRet = pszStrMB;
delete[] pszStrMB;
#endif
return strRet;
}
#ifdef _UNICODE
tstring utf8_to_string(tstring str) {
return str;
}
#endif
#ifdef HAVE_ICONV
std::string convert_string(const std::string str, const std::string from_codeset, const std::string to_codeset) {
char *dest = NULL;
iconv_t cd;
char *outp;
char *p = (char *) str.c_str();
size_t inbytes_remaining = strlen (p);
size_t outbuf_size = inbytes_remaining + 1;
size_t outbytes_remaining;
size_t err;
int have_error = 0;
outbuf_size *= MB_LEN_MAX;
outbytes_remaining = outbuf_size - 1;
if (strcmp(to_codeset.c_str(), from_codeset.c_str()) == 0)
return str.c_str();
cd = iconv_open(to_codeset.c_str(), from_codeset.c_str());
if (cd == (iconv_t) -1)
return str.c_str();
outp = dest = (char *) malloc (outbuf_size);
if (dest == NULL)
goto out;
again:
#if defined(_LIBICONV_VERSION) && _LIBICONV_VERSION <= 0x010A
err = iconv(cd, (const char**)&p, &inbytes_remaining, &outp, &outbytes_remaining);
#else
err = iconv(cd, (char**)&p, &inbytes_remaining, &outp, &outbytes_remaining);
#endif
if (err == (size_t) - 1) {
switch (errno) {
case EINVAL:
break;
case E2BIG:
{
size_t used = outp - dest;
size_t newsize = outbuf_size * 2;
char *newdest;
if (newsize <= outbuf_size) {
errno = ENOMEM;
have_error = 1;
goto out;
}
newdest = (char *) realloc (dest, newsize);
if (newdest == NULL) {
have_error = 1;
goto out;
}
dest = newdest;
outbuf_size = newsize;
outp = dest + used;
outbytes_remaining = outbuf_size - used - 1; /* -1 for NUL */
goto again;
}
break;
case EILSEQ:
have_error = 1;
break;
default:
have_error = 1;
break;
}
}
*outp = '\0';
out:
{
int save_errno = errno;
if (iconv_close (cd) < 0 && !have_error) {
/* If we didn't have a real error before, make sure we restore
the iconv_close error below. */
save_errno = errno;
have_error = 1;
}
if (have_error && dest) {
free (dest);
dest = (char*)str.c_str();
errno = save_errno;
}
}
return dest;
}
#endif
std::string cut_string(std::string str, int cells, std::string padding) {
char* ptr = (char*)str.c_str();
size_t mbssize = strlen(ptr);
size_t wcssize = mbssize;
wchar_t* pszStrWC = new wchar_t[wcssize + 1];
size_t n = 0;
#ifdef _WIN32
n = MultiByteToWideChar(GetACP(), 0, ptr, mbssize, pszStrWC, wcssize + 1);
pszStrWC[n] = 0;
#else
size_t clen = 0, len = 0;
int tmp = mblen(NULL, 0);
while(len < mbssize) {
clen = mblen(ptr, MB_CUR_MAX);
if (clen <= 0) {
tmp = mblen(NULL, 0);
clen = 1;
}
clen = mbtowc(pszStrWC+n++, ptr, clen);
if (clen <= 0) {
tmp = mblen(NULL, 0);
clen = 1;
}
len += clen;
ptr += clen;
}
pszStrWC[n] = 0;
#endif
wcssize = n;
int width = 0;
for(n = 0; n < wcssize; n++) {
int c = wcwidth_cjk(pszStrWC[n]);
if (width + c > cells) {
pszStrWC[n] = 0;
break;
}
width += c;
}
char* pszStrMB;
#ifdef _WIN32
mbssize = WideCharToMultiByte(GetACP(), 0, pszStrWC, -1, NULL, 0, NULL, NULL);
pszStrMB = new char[mbssize + 1];
mbssize = WideCharToMultiByte(GetACP(), 0, pszStrWC, -1, pszStrMB, mbssize, NULL, NULL);
pszStrMB[mbssize] = 0;
#else
wcssize = wcslen(pszStrWC);
mbssize = wcssize*8;
pszStrMB = new char[mbssize + 1];
clen = 0;
len = 0;
for(n = 0; n < wcssize; n++) {
clen = wctomb(pszStrMB+len, pszStrWC[n]);
len += clen <= 0 ? 1 : clen;
}
*(pszStrMB+len) = 0;
#endif
delete[] pszStrWC;
std::string ret = pszStrMB;
delete[] pszStrMB;
if (ret.size() < str.size())
ret += padding;
return ret;
}
std::string cut_string_r(std::string str, int cells, std::string padding) {
char* ptr = (char*)str.c_str();
size_t mbssize = strlen(ptr);
size_t wcssize = mbssize;
wchar_t* pszStrWC = new wchar_t[wcssize + 1];
size_t n = 0;
#ifdef _WIN32
n = MultiByteToWideChar(GetACP(), 0, ptr, mbssize, pszStrWC, wcssize + 1);
pszStrWC[n] = 0;
#else
size_t clen = 0, len = 0;
int tmp = mblen(NULL, 0);
while(len < mbssize) {
clen = mblen(ptr, MB_CUR_MAX);
if (clen <= 0) {
tmp = mblen(NULL, 0);
clen = 1;
}
clen = mbtowc(pszStrWC+n++, ptr, clen);
if (clen <= 0) {
tmp = mblen(NULL, 0);
clen = 1;
}
len += clen;
ptr += clen;
}
pszStrWC[n] = 0;
#endif
wcssize = n;
int width = 0;
for(n = wcssize-1; n >= 0; n--) {
int c = wcwidth_cjk(pszStrWC[n]);
if (width + c > cells) {
pszStrWC[n] = 0;
wcscpy(pszStrWC, pszStrWC+n+1);
break;
}
width += c;
}
char* pszStrMB;
#ifdef _WIN32
mbssize = WideCharToMultiByte(GetACP(), 0, pszStrWC, -1, NULL, 0, NULL, NULL);
pszStrMB = new char[mbssize + 1];
mbssize = WideCharToMultiByte(GetACP(), 0, pszStrWC, -1, pszStrMB, mbssize, NULL, NULL);
pszStrMB[mbssize] = 0;
#else
wcssize = wcslen(pszStrWC);
mbssize = wcssize*8;
pszStrMB = new char[mbssize + 1];
clen = 0;
len = 0;
for(n = 0; n < wcssize; n++) {
clen = wctomb(pszStrMB+len, pszStrWC[n]);
len += clen <= 0 ? 1 : clen;
}
*(pszStrMB+len) = 0;
#endif
delete[] pszStrWC;
std::string ret = pszStrMB;
delete[] pszStrMB;
if (ret.size() < str.size())
ret = padding + ret;
return ret;
}
std::vector<std::string> split_string(std::string strSrc, std::string strKey) {
std::vector<std::string> vecLines;
std::string strTmp = strSrc;
size_t iIndex = 0;
while (iIndex < strTmp.length()) {
int iOldIndex = iIndex;
iIndex = strTmp.find(strKey, iIndex);
if(iIndex != std::string::npos) {
std::string item = strTmp.substr(iOldIndex, iIndex - iOldIndex);
vecLines.push_back(item);
} else {
std::string item = strTmp.substr(iOldIndex);
vecLines.push_back(item);
break;
}
iIndex += strKey.length();
}
return vecLines;
}
#ifdef _UNICODE
std::vector<tstring> split_string(tstring strSrc, tstring strKey) {
std::vector<tstring> vecLines;
tstring strTmp = strSrc;
int iIndex = 0;
while (iIndex < (int)strTmp.length()) {
int iOldIndex = iIndex;
iIndex = strTmp.find(strKey, iIndex);
if(iIndex != tstring::npos) {
tstring item = strTmp.substr(iOldIndex, iIndex - iOldIndex);
vecLines.push_back(item);
} else {
tstring item = strTmp.substr(iOldIndex);
vecLines.push_back(item);
break;
}
iIndex += strKey.length();
}
return vecLines;
}
#endif
std::string trim_string(const std::string strSrc) {
std::string ret = strSrc;
int end_pos = ret.find_last_not_of(" \n");
if(end_pos != -1) {
ret.erase(end_pos + 1);
end_pos = ret.find_first_not_of(" \n");
if(end_pos != -1) ret.erase(0, end_pos);
}
else ret.erase(ret.begin(), ret.end());
return ret;
}
#ifdef _UNICODE
tstring trim_string(const tstring strSrc) {
tstring ret = strSrc;
int end_pos = ret.find_last_not_of(' ');
if(end_pos != -1) {
ret.erase(end_pos + 1);
end_pos = ret.find_first_not_of(' ');
if(end_pos != -1) ret.erase(0, end_pos);
}
else ret.erase(ret.begin(), ret.end());
return ret;
}
#endif
std::string& replace_string(std::string& strSrc, const std::string strFrom, const std::string strTo) {
std::string::size_type n, nb = 0;
while((n = strSrc.find(strFrom, nb)) != std::string::npos) {
strSrc.replace(n, strFrom.size(), strTo);
nb = n + strTo.size();
}
return strSrc;
}
#ifdef _UNICODE
tstring& replace_string(tstring& strSrc, const tstring strFrom, const tstring strTo) {
tstring::size_type n, nb = 0;
while((n = strSrc.find(strFrom, nb)) != tstring::npos) {
strSrc.replace(n, strFrom.size(), strTo);
nb = n + strTo.size();
}
return strSrc;
}
#endif
std::string base64_encode(unsigned char const* bytes_to_encode, unsigned int in_len) {
std::string ret;
int i = 0;
int j = 0;
unsigned char char_array_3[3] = {0};
unsigned char char_array_4[4] = {0};
while (in_len--) {
char_array_3[i++] = *(bytes_to_encode++);
if (i == 3) {
char_array_4[0] = (char_array_3[0] & 0xfc) >> 2;
char_array_4[1] = ((char_array_3[0] & 0x03) << 4) + ((char_array_3[1] & 0xf0) >> 4);
char_array_4[2] = ((char_array_3[1] & 0x0f) << 2) + ((char_array_3[2] & 0xc0) >> 6);
char_array_4[3] = char_array_3[2] & 0x3f;
for(i = 0; (i <4) ; i++)
ret += base64_chars[char_array_4[i]];
i = 0;
}
}
if (i) {
for(j = i; j < 3; j++)
char_array_3[j] = '\0';
char_array_4[0] = (char_array_3[0] & 0xfc) >> 2;
char_array_4[1] = ((char_array_3[0] & 0x03) << 4) + ((char_array_3[1] & 0xf0) >> 4);
char_array_4[2] = ((char_array_3[1] & 0x0f) << 2) + ((char_array_3[2] & 0xc0) >> 6);
char_array_4[3] = char_array_3[2] & 0x3f;
for (j = 0; (j < i + 1); j++)
ret += base64_chars[char_array_4[j]];
while((i++ < 3))
ret += '=';
}
return ret;
}
std::string base64_decode(std::string const& encoded_string) {
int in_len = encoded_string.size();
int i = 0;
int j = 0;
int in_ = 0;
unsigned char char_array_4[4] = {0};
unsigned char char_array_3[3] = {0};
std::string ret;
while (in_len-- && ( encoded_string[in_] != '=') && is_base64(encoded_string[in_])) {
char_array_4[i++] = encoded_string[in_]; in_++;
if (i ==4) {
for (i = 0; i <4; i++)
char_array_4[i] = base64_chars.find(char_array_4[i]);
char_array_3[0] = (char_array_4[0] << 2) + ((char_array_4[1] & 0x30) >> 4);
char_array_3[1] = ((char_array_4[1] & 0xf) << 4) + ((char_array_4[2] & 0x3c) >> 2);
char_array_3[2] = ((char_array_4[2] & 0x3) << 6) + char_array_4[3];
for (i = 0; (i < 3); i++)
ret += char_array_3[i];
i = 0;
}
}
if (i) {
for (j = i; j <4; j++)
char_array_4[j] = 0;
for (j = 0; j <4; j++)
char_array_4[j] = base64_chars.find(char_array_4[j]);
char_array_3[0] = (char_array_4[0] << 2) + ((char_array_4[1] & 0x30) >> 4);
char_array_3[1] = ((char_array_4[1] & 0xf) << 4) + ((char_array_4[2] & 0x3c) >> 2);
char_array_3[2] = ((char_array_4[2] & 0x3) << 6) + char_array_4[3];
for (j = 0; (j < i - 1); j++)
ret += char_array_3[j];
}
return ret;
}
std::vector<char> base64_decode_binary(std::string const& encoded_string) {
int in_len = encoded_string.size();
int i = 0;
int j = 0;
int in_ = 0;
unsigned char char_array_4[4] = {0};
unsigned char char_array_3[3] = {0};
std::vector<char> ret;
while (in_len-- && ( encoded_string[in_] != '=') && is_base64(encoded_string[in_])) {
char_array_4[i++] = encoded_string[in_]; in_++;
if (i ==4) {
for (i = 0; i <4; i++)
char_array_4[i] = base64_chars.find(char_array_4[i]);
char_array_3[0] = (char_array_4[0] << 2) + ((char_array_4[1] & 0x30) >> 4);
char_array_3[1] = ((char_array_4[1] & 0xf) << 4) + ((char_array_4[2] & 0x3c) >> 2);
char_array_3[2] = ((char_array_4[2] & 0x3) << 6) + char_array_4[3];
for (i = 0; (i < 3); i++)
ret.push_back(char_array_3[i]);
i = 0;
}
}
if (i) {
for (j = i; j <4; j++)
char_array_4[j] = 0;
for (j = 0; j <4; j++)
char_array_4[j] = base64_chars.find(char_array_4[j]);
char_array_3[0] = (char_array_4[0] << 2) + ((char_array_4[1] & 0x30) >> 4);
char_array_3[1] = ((char_array_4[1] & 0xf) << 4) + ((char_array_4[2] & 0x3c) >> 2);
char_array_3[2] = ((char_array_4[2] & 0x3) << 6) + char_array_4[3];
for (j = 0; (j < i - 1); j++)
ret.push_back(char_array_3[j]);
}
return ret;
}
std::string url_decode(const std::string& url) {
std::ostringstream rets;
std::string hexstr;
for(size_t n = 0; n < url.size(); n++) {
switch(url[n]) {
case '+':
rets << ' ';
break;
case '%':
hexstr = url.substr(n+1, 2);
n += 2;
if (hexstr == "26" || hexstr == "3D")
rets << '%' << hexstr;
else {
std::istringstream hexstream(hexstr);
int hexint;
hexstream >> std::hex >> hexint;
rets << static_cast<char>(hexint);
}
break;
default:
rets << url[n];
break;
}
}
return rets.str();
}
std::string url_encode(const std::string& url) {
std::ostringstream rets;
for(size_t n = 0; n < url.size(); n++) {
unsigned char c = (unsigned char)url[n];
if (isalnum(c) || c == '_' || c == '.' || c == '/' )
rets << c;
else {
char buf[8];
sprintf(buf, "%02x", (int)c);