【QGIS跨平台编译】之【FreeXL跨平台编译】：源码及跨平台编译工程（支撑QGIS跨平台编译，以及二次研发）

/* / freexl.c / / FreeXL implementation / / version 1.0, 2011 July 26 / / Author: Sandro Furieri a.furieri@lqt.it / / ------------------------------------------------------------------------------ / / Version: MPL 1.1/GPL 2.0/LGPL 2.1 / / The contents of this file are subject to the Mozilla Public License Version / 1.1 (the "License"); you may not use this file except in compliance with / the License. You may obtain a copy of the License at / http://www.mozilla.org/MPL/ / / Software distributed under the License is distributed on an "AS IS" basis, / WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License / for the specific language governing rights and limitations under the / License. / / The Original Code is the FreeXL library / / The Initial Developer of the Original Code is Alessandro Furieri / / Portions created by the Initial Developer are Copyright (C) 2011 / the Initial Developer. All Rights Reserved. / / Contributor(s): / Brad Hards / / Alternatively, the contents of this file may be used under the terms of / either the GNU General Public License Version 2 or later (the "GPL"), or / the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), / in which case the provisions of the GPL or the LGPL are applicable instead / of those above. If you wish to allow use of your version of this file only / under the terms of either the GPL or the LGPL, and not to allow others to / use your version of this file under the terms of the MPL, indicate your / decision by deleting the provisions above and replace them with the notice / and other provisions required by the GPL or the LGPL. If you do not delete / the provisions above, a recipient may use your version of this file under / the terms of any one of the MPL, the GPL or the LGPL. / */ #include <stdlib.h> #include <stdio.h> #include <string.h> #include <math.h> #if defined(__MINGW32__) || defined(_WIN32) #define LIBICONV_STATIC #include <iconv.h> #define LIBCHARSET_STATIC #ifdef _MSC_VER /* <localcharset.h> isn't supported on OSGeo4W */ /* applying a tricky workaround to fix this issue */ extern const char *locale_charset (void); #else /* sane Windows - not OSGeo4W */ #include <localcharset.h> #endif /* end localcharset */ #else /* not WINDOWS */ #if defined(__APPLE__) || defined(__ANDROID__) #include <iconv.h> #include <localcharset.h> #else /* neither Mac OsX nor Android */ #include <iconv.h> #include <langinfo.h> #endif #endif #if defined(_WIN32) && !defined(__MINGW32__) #include "config-msvc.h" #else #include "config.h" #endif #include "freexl.h" #include "freexl_internals.h" const char *freexlversion = VERSION; FREEXL_DECLARE const char * freexl_version (void) { /* return the library version number */ return freexlversion; } #if defined(_WIN32) && !defined(__MINGW32__) && _MSC_VER < 1800 /* obsolete MSVC compiler doesn't support lround() at all */ static double round (double num) { double integer = ceil (num); if (num > 0) return integer - num > 0.5 ? integer - 1.0 : integer; return integer - num >= 0.5 ? integer - 1.0 : integer; } static long lround (double num) { long integer = (long) round (num); return integer; } #endif static void swap16 (biff_word16 * word) { /* Endianness: swapping a 16 bit word */ unsigned char save = word->bytes[0]; word->bytes[0] = word->bytes[1]; word->bytes[1] = save; } static void swap32 (biff_word32 * word) { /* Endianness: swapping a 32 bit word */ unsigned char save0 = word->bytes[0]; unsigned char save1 = word->bytes[1]; unsigned char save2 = word->bytes[2]; word->bytes[0] = word->bytes[3]; word->bytes[1] = save2; word->bytes[2] = save1; word->bytes[3] = save0; } static void swap_float (biff_float * word) { /* Endianness: swapping a 64 bit float */ unsigned char save0 = word->bytes[0]; unsigned char save1 = word->bytes[1]; unsigned char save2 = word->bytes[2]; unsigned char save3 = word->bytes[3]; unsigned char save4 = word->bytes[4]; unsigned char save5 = word->bytes[5]; unsigned char save6 = word->bytes[6]; word->bytes[0] = word->bytes[7]; word->bytes[1] = save6; word->bytes[2] = save5; word->bytes[3] = save4; word->bytes[4] = save3; word->bytes[5] = save2; word->bytes[6] = save1; word->bytes[7] = save0; } static int biff_set_utf8_converter (biff_workbook * workbook) { /* attempting to set up a charset converter to UTF-8 */ iconv_t cvt = (iconv_t) (-1); if (workbook->utf8_converter) iconv_close (workbook->utf8_converter); workbook->utf8_converter = NULL; switch (workbook->biff_code_page) { case 0x016F: cvt = iconv_open ("UTF-8", "ASCII"); break; case 0x01B5: cvt = iconv_open ("UTF-8", "CP437"); break; case 0x02D0: cvt = iconv_open ("UTF-8", "CP720"); break; case 0x02E1: cvt = iconv_open ("UTF-8", "CP737"); break; case 0x0307: cvt = iconv_open ("UTF-8", "CP775"); break; case 0x0352: cvt = iconv_open ("UTF-8", "CP850"); break; case 0x0354: cvt = iconv_open ("UTF-8", "CP852"); break; case 0x0357: cvt = iconv_open ("UTF-8", "CP855"); break; case 0x0359: cvt = iconv_open ("UTF-8", "CP857"); break; case 0x035A: cvt = iconv_open ("UTF-8", "CP858"); break; case 0x035C: cvt = iconv_open ("UTF-8", "CP860"); break; case 0x035D: cvt = iconv_open ("UTF-8", "CP861"); break; case 0x035E: cvt = iconv_open ("UTF-8", "CP862"); break; case 0x035F: cvt = iconv_open ("UTF-8", "CP863"); break; case 0x0360: cvt = iconv_open ("UTF-8", "CP864"); break; case 0x0361: cvt = iconv_open ("UTF-8", "CP865"); break; case 0x0362: cvt = iconv_open ("UTF-8", "CP866"); break; case 0x0365: cvt = iconv_open ("UTF-8", "CP869"); break; case 0x036A: cvt = iconv_open ("UTF-8", "CP874"); break; case 0x03A4: cvt = iconv_open ("UTF-8", "CP932"); break; case 0x03A8: cvt = iconv_open ("UTF-8", "CP936"); break; case 0x03B5: cvt = iconv_open ("UTF-8", "CP949"); break; case 0x03B6: cvt = iconv_open ("UTF-8", "CP950"); break; case 0x04B0: cvt = iconv_open ("UTF-8", "UTF-16LE"); break; case 0x04E2: cvt = iconv_open ("UTF-8", "CP1250"); break; case 0x04E3: cvt = iconv_open ("UTF-8", "CP1251"); break; case 0x04E4: case 0x8001: cvt = iconv_open ("UTF-8", "CP1252"); break; case 0x04E5: cvt = iconv_open ("UTF-8", "CP1253"); break; case 0x04E6: cvt = iconv_open ("UTF-8", "CP1254"); break; case 0x04E7: cvt = iconv_open ("UTF-8", "CP1255"); break; case 0x04E8: cvt = iconv_open ("UTF-8", "CP1256"); break; case 0x04E9: cvt = iconv_open ("UTF-8", "CP1257"); break; case 0x04EA: cvt = iconv_open ("UTF-8", "CP1258"); break; case 0x0551: cvt = iconv_open ("UTF-8", "CP1361"); break; case 0x2710: case 0x8000: cvt = iconv_open ("UTF-8", "MacRoman"); break; }; if (cvt == (iconv_t) (-1)) return 0; workbook->utf8_converter = cvt; return 1; } static char * convert_to_utf8 (iconv_t converter, const char *buf, int buflen, int *err) { /* converting a string to UTF8 */ char *utf8buf = 0; #if !defined(__MINGW32__) && defined(_WIN32) const char *pBuf; #else char *pBuf; #endif size_t len; size_t utf8len; int maxlen = (buflen * 4) + 1; char *pUtf8buf; *err = FREEXL_OK; if (!converter) { *err = FREEXL_UNSUPPORTED_CHARSET; return NULL; } utf8buf = malloc (maxlen); len = buflen; utf8len = maxlen; pBuf = (char *) buf; pUtf8buf = utf8buf; if (iconv (converter, &pBuf, &len, &pUtf8buf, &utf8len) == (size_t) (-1)) { free (utf8buf); *err = FREEXL_INVALID_CHARACTER; return NULL; } utf8buf[maxlen - utf8len] = '\0';