mirror of
https://git.lyx.org/repos/lyx.git
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99d1627a47
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@6138 a592a061-630c-0410-9148-cb99ea01b6c8
358 lines
11 KiB
C
358 lines
11 KiB
C
/* This file is part of
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* ======================================================
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*
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* LyX, The Document Processor
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*
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* Copyright 1995 Matthias Ettrich
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* Copyright 1995-2001 The LyX Team.
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*
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* ====================================================== */
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#include <config.h>
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#include "encoding.h"
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#include "lyxlex.h"
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#include "debug.h"
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#ifndef CXX_GLOBAL_CSTD
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using std::strtol;
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#endif
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using std::endl;
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Encodings encodings;
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namespace {
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Uchar tab_iso8859_1[256] = {
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0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
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0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
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0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
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0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
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0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
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0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
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0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
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0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
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0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
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0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
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0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
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0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
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0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
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0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
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0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
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0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff
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};
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#ifdef USE_UNICODE_FOR_SYMBOLS
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Uchar tab_symbol[256] = {
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0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
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0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
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0x0020, 0x0021, 0x2200, 0x0023, 0x2203, 0x0025, 0x0026, 0x220b,
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0x0028, 0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f,
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0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
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// 0x2245, 0x0391, 0x0392, 0x03a7, 0x0394, 0x0395, 0x03a6, 0x0393,
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// 0x0397, 0x0399, 0x03d1, 0x039a, 0x039b, 0x039c, 0x039d, 0x039f,
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// 0x03a0, 0x0398, 0x03a1, 0x03a3, 0x03a4, 0x03a5, 0x03c2, 0x03a9,
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// 0x039e, 0x03a8, 0x0396, 0x005b, 0x2234, 0x005d, 0x22a5, 0xffff,
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0x2245, 0x0041, 0x0042, 0x0058, 0x0394, 0x0045, 0x03c2, 0x03a9,
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0x0048, 0x0049, 0x03d1, 0x004b, 0x039b, 0x004d, 0x004e, 0x004f,
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0x03a0, 0x0398, 0x0050, 0x03a3, 0x0054, 0x0059, 0x03c2, 0x03a9,
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0x039e, 0x03a8, 0x005a, 0x005b, 0x2234, 0x005d, 0x22a5, 0xffff,
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0xffff, 0x03b1, 0x03b2, 0x03c7, 0x03b4, 0x03b5, 0x03d5, 0x03b3,
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0x03b7, 0x03b9, 0x03c6, 0x03ba, 0x03bb, 0x03bc, 0x03bd, 0x03bf,
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0x03c0, 0x03b8, 0x03c1, 0x03c3, 0x03c4, 0x03c5, 0x03d6, 0x03c9,
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0x03be, 0x03c8, 0x03b6, 0x007b, 0x007c, 0x007d, 0x007e, 0xffff,
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0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
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0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
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0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
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0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
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0xffff, 0x03d2, 0x2032, 0x2264, 0x2215, 0x221e, 0xffff, 0x2663,
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0x2666, 0x2665, 0x2660, 0x2194, 0x2190, 0x2191, 0x2192, 0x2193,
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0x00b0, 0x00b1, 0x2033, 0x2265, 0x00d7, 0x221d, 0x2202, 0x2022,
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0x00f7, 0x2260, 0x2261, 0x2248, 0x22ef, 0xffff, 0xffff, 0x21b5,
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0x2135, 0x2111, 0x211c, 0x2118, 0x2297, 0x2295, 0x2205, 0x2229,
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0x222a, 0x2283, 0x2287, 0x2284, 0x2282, 0x2286, 0x2208, 0x2209,
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0x2220, 0x2207, 0x00ae, 0x00a9, 0x2122, 0x220f, 0x221a, 0x22c5,
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0x00ac, 0x2227, 0x2228, 0x21d4, 0x21d0, 0x21d1, 0x21d2, 0x21d3,
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0x2662, 0x2329, 0x00ae, 0x00a9, 0x2122, 0x2211, 0xffff, 0xffff,
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0xffff, 0x2308, 0xffff, 0x230a, 0xffff, 0xffff, 0xffff, 0xffff,
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0xffff, 0x232a, 0x222b, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
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0xffff, 0x2309, 0xffff, 0x230b, 0xffff, 0xffff, 0xffff, 0xffff
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};
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#endif
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unsigned char arabic_table2[63][4] = {
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{0x41, 0x41, 0x41, 0x41}, // 0xc1 = hamza
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{0x42, 0xa1, 0x42, 0xa1}, // 0xc2 = ligature madda on alef
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{0x43, 0xa2, 0x43, 0xa2}, // 0xc3 = ligature hamza on alef
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{0x44, 0xa3, 0x44, 0xa3}, // 0xc4 = ligature hamza on waw
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{0x45, 0xa4, 0x45, 0xa4}, // 0xc5 = ligature hamza under alef
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{0x46, 0xf9, 0xf8, 0xa0}, // 0xc6 = ligature hamza on ya
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{0x47, 0xa5, 0x47, 0xa5}, // 0xc7 = alef
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{0x48, 0xae, 0xac, 0xad}, // 0xc8 = baa
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{0x49, 0xb1, 0x49, 0xb1}, // 0xc9 = taa marbuta
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{0x4a, 0xb4, 0xb2, 0xb3}, // 0xca = taa
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{0x4b, 0xb7, 0xb5, 0xb6}, // 0xcb = thaa
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{0x4c, 0xba, 0xb8, 0xb9}, // 0xcc = jeem
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{0x4d, 0xbd, 0xbb, 0xbc}, // 0xcd = haa
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{0x4e, 0xc0, 0xbe, 0xbf}, // 0xce = khaa
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{0x4f, 0xa6, 0x4f, 0xa6}, // 0xcf = dal
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{0x50, 0xa7, 0x50, 0xa7}, // 0xd0 = thal
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{0x51, 0xa8, 0x51, 0xa8}, // 0xd1 = ra
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{0x52, 0xa9, 0x52, 0xa9}, // 0xd2 = zain
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{0x53, 0xc3, 0xc1, 0xc2}, // 0xd3 = seen
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{0x54, 0xc6, 0xc4, 0xc5}, // 0xd4 = sheen
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{0x55, 0xc9, 0xc7, 0xc8}, // 0xd5 = sad
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{0x56, 0xcc, 0xca, 0xcb}, // 0xd6 = dad
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{0x57, 0xcf, 0xcd, 0xce}, // 0xd7 = tah
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{0x58, 0xd2, 0xd0, 0xd1}, // 0xd8 = zah
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{0x59, 0xd5, 0xd3, 0xd4}, // 0xd9 = ain
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{0x5a, 0xd8, 0xd6, 0xd7}, // 0xda = ghain
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{0,0,0,0}, // 0xdb
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{0,0,0,0}, // 0xdc
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{0,0,0,0}, // 0xdd
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{0,0,0,0}, // 0xde
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{0,0,0,0}, // 0xdf
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{0,0,0,0}, // 0xe0
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{0x61, 0xdb, 0xd9, 0xda}, // 0xe1 = fa
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{0x62, 0xde, 0xdc, 0xdd}, // 0xe2 = qaf
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{0x63, 0xe1, 0xdf, 0xe0}, // 0xe3 = kaf
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{0x64, 0xe4, 0xe2, 0xe3}, // 0xe4 = lam
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{0x65, 0xe7, 0xe5, 0xe6}, // 0xe5 = meem
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{0x66, 0xea, 0xe8, 0xe9}, // 0xe6 = noon
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{0x67, 0xed, 0xeb, 0xec}, // 0xe7 = ha
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{0x68, 0xaa, 0x68, 0xaa}, // 0xe8 = waw
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{0x69, 0xab, 0x69, 0xab}, // 0xe9 = alef maksura
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{0x6a, 0xf0, 0xee, 0xef}, // 0xea = ya
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{0x6b, 0x6b, 0x6b, 0x6b}, // 0xeb = fathatan
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{0x6c, 0x6c, 0x6c, 0x6c}, // 0xec = dammatan
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{0x6d, 0x6d, 0x6d, 0x6d}, // 0xed = kasratan
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{0x6e, 0x6e, 0x6e, 0x6e}, // 0xee = fatha
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{0x6f, 0x6f, 0x6f, 0x6f}, // 0xef = damma
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{0x70, 0x70, 0x70, 0x70}, // 0xf0 = kasra
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{0x71, 0x71, 0x71, 0x71}, // 0xf1 = shadda
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{0x72, 0x72, 0x72, 0x72}, // 0xf2 = sukun
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{0,0,0,0}, // 0xf3
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{0,0,0,0}, // 0xf4
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{0,0,0,0}, // 0xf5
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{0,0,0,0}, // 0xf6
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{0,0,0,0}, // 0xf7
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{0,0,0,0}, // 0xf8
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{0,0,0,0}, // 0xf9
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{0,0,0,0}, // 0xfa
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{0,0,0,0}, // 0xfb
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{0,0,0,0}, // 0xfc
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{0,0,0,0}, // 0xfd
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{0,0,0,0}, // 0xfe
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{0,0,0,0}, // 0xff
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};
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unsigned char arabic_table[63][2] = {
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{0xc1, 0xc1}, // 0xc1 = hamza
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{0xc2, 0xc2}, // 0xc2 = ligature madda on alef
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{0xc3, 0xc3}, // 0xc3 = ligature hamza on alef
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{0xc4, 0xc4}, // 0xc4 = ligature hamza on waw
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{0xc5, 0xc5}, // 0xc5 = ligature hamza under alef
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{0xc6, 0xc0}, // 0xc6 = ligature hamza on ya
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{0xc7, 0xc7}, // 0xc7 = alef
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{0xc8, 0xeb}, // 0xc8 = baa
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{0xc9, 0xc9}, // 0xc9 = taa marbuta
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{0xca, 0xec}, // 0xca = taa
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{0xcb, 0xed}, // 0xcb = thaa
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{0xcc, 0xee}, // 0xcc = jeem
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{0xcd, 0xef}, // 0xcd = haa
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{0xce, 0xf0}, // 0xce = khaa
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{0xcf, 0xcf}, // 0xcf = dal
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{0xd0, 0xd0}, // 0xd0 = thal
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{0xd1, 0xd1}, // 0xd1 = ra
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{0xd2, 0xd2}, // 0xd2 = zain
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{0xd3, 0xf1}, // 0xd3 = seen
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{0xd4, 0xf2}, // 0xd4 = sheen
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{0xd5, 0xf3}, // 0xd5 = sad
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{0xd6, 0xf4}, // 0xd6 = dad
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{0xd7, 0xd7}, // 0xd7 = tah
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{0xd8, 0xd8}, // 0xd8 = zah
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{0xd9, 0xf5}, // 0xd9 = ain
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{0xda, 0xf6}, // 0xda = ghain
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{0,0}, // 0xdb
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{0,0}, // 0xdc
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{0,0}, // 0xdd
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{0,0}, // 0xde
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{0,0}, // 0xdf
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{0,0}, // 0xe0
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{0xe1, 0xf7}, // 0xe1 = fa
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{0xe2, 0xf8}, // 0xe2 = qaf
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{0xe3, 0xf9}, // 0xe3 = kaf
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{0xe4, 0xfa}, // 0xe4 = lam
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{0xe5, 0xfb}, // 0xe5 = meem
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{0xe6, 0xfc}, // 0xe6 = noon
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{0xe7, 0xfd}, // 0xe7 = ha
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{0xe8, 0xe8}, // 0xe8 = waw
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{0xe9, 0xe9}, // 0xe9 = alef maksura
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{0xea, 0xfe}, // 0xea = ya
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{0xa8, 0xa8}, // 0xeb = fathatan
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{0xa9, 0xa9}, // 0xec = dammatan
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{0xaa, 0xaa}, // 0xed = kasratan
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{0xab, 0xab}, // 0xee = fatha
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{0xac, 0xac}, // 0xef = damma
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{0xad, 0xad}, // 0xf0 = kasra
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{0xae, 0xae}, // 0xf1 = shadda
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{0xaf, 0xaf}, // 0xf2 = sukun
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{0,0}, // 0xf3
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{0,0}, // 0xf4
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{0,0}, // 0xf5
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{0,0}, // 0xf6
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{0,0}, // 0xf7
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{0,0}, // 0xf8
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{0,0}, // 0xf9
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{0,0}, // 0xfa
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{0,0}, // 0xfb
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{0,0}, // 0xfc
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{0,0}, // 0xfd
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{0,0}, // 0xfe
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{0,0} // 0xff
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};
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unsigned char const arabic_start = 0xc1;
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} // namespace anon
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bool Encodings::IsComposeChar_hebrew(unsigned char c)
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{
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return c <= 0xd2 && c >= 0xc0 &&
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c != 0xce && c != 0xd0;
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}
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// Special Arabic letters are ones that do not get connected from left
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// they are hamza, alef_madda, alef_hamza, waw_hamza, alef_hamza_under,
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// alef, tah_marbota, dal, thal, rah, zai, wow, alef_maksoura
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bool Encodings::is_arabic_special(unsigned char c)
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{
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return (c >= 0xc1 && c <= 0xc5) ||
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c == 0xc7 || c == 0xc9 ||
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c == 0xcf || c == 0xe8 ||
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(c >= 0xd0 && c <= 0xd2) ||
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c == 0xe9;
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}
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bool Encodings::IsComposeChar_arabic(unsigned char c)
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{
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return c >= 0xeb && c <= 0xf2;
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}
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bool Encodings::is_arabic(unsigned char c)
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{
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return c >= arabic_start && arabic_table[c-arabic_start][0];
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}
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unsigned char Encodings::TransformChar(unsigned char c,
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Encodings::Letter_Form form)
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{
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if (!is_arabic(c))
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return c;
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if (lyxrc.font_norm_type == LyXRC::ISO_10646_1)
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return arabic_table2[c-arabic_start][form];
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else
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return arabic_table[c-arabic_start][form >> 1];
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}
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Encoding const * Encodings::getEncoding(string const & encoding) const
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{
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EncodingList::const_iterator it = encodinglist.find(encoding);
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if (it != encodinglist.end())
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return &it->second;
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else
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return 0;
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}
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Encodings::Encodings()
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{
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encodinglist["iso8859-1"] = Encoding("iso8859-1", "latin1", tab_iso8859_1);
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symbol_encoding_ =
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#ifdef USE_UNICODE_FOR_SYMBOLS
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Encoding("symbol", "", tab_symbol);
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#else
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Encoding("symbol", "", tab_iso8859_1);
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#endif
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}
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void Encodings::read(string const & filename)
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{
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enum Encodingtags {
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et_encoding = 1,
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et_end,
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et_last
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};
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struct keyword_item encodingtags[et_last - 1] = {
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{ "encoding", et_encoding },
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{ "end", et_end }
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};
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LyXLex lex(encodingtags, et_last - 1);
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lex.setFile(filename);
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while (lex.isOK()) {
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switch (lex.lex()) {
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case et_encoding:
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{
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lex.next();
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string const name = lex.getString();
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lex.next();
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string const latexname = lex.getString();
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lyxerr[Debug::INIT] << "Reading encoding " << name << endl;
|
|
Uchar table[256];
|
|
for (unsigned int i = 0; i < 256; ++i) {
|
|
lex.next();
|
|
string const tmp = lex.getString();
|
|
table[i] = ::strtol(tmp.c_str(), 0 , 16);
|
|
}
|
|
encodinglist[name] = Encoding(name, latexname, table);
|
|
if (lex.lex() != et_end)
|
|
lex.printError("Encodings::read: "
|
|
"missing end");
|
|
break;
|
|
}
|
|
case et_end:
|
|
lex.printError("Encodings::read: Misplaced end");
|
|
break;
|
|
case LyXLex::LEX_FEOF:
|
|
break;
|
|
default:
|
|
lex.printError("Encodings::read: "
|
|
"Unknown tag: `$$Token'");
|
|
break;
|
|
}
|
|
}
|
|
}
|