diff options
Diffstat (limited to 'Build/source/texk/lcdf-typetools/lcdf-typetools-src/liblcdf/permstr.cc')
-rw-r--r-- | Build/source/texk/lcdf-typetools/lcdf-typetools-src/liblcdf/permstr.cc | 319 |
1 files changed, 0 insertions, 319 deletions
diff --git a/Build/source/texk/lcdf-typetools/lcdf-typetools-src/liblcdf/permstr.cc b/Build/source/texk/lcdf-typetools/lcdf-typetools-src/liblcdf/permstr.cc deleted file mode 100644 index 55d4b30fd0e..00000000000 --- a/Build/source/texk/lcdf-typetools/lcdf-typetools-src/liblcdf/permstr.cc +++ /dev/null @@ -1,319 +0,0 @@ -// -*- related-file-name: "../include/lcdf/permstr.hh" -*- - -/* permstr.{cc,hh} -- permanent strings - * - * Copyright (c) 1998-2019 Eddie Kohler - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. This program is distributed in the hope that it will be - * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General - * Public License for more details. - */ - -#ifdef HAVE_CONFIG_H -# include <config.h> -#endif -#include <lcdf/permstr.hh> -#include <stdlib.h> -#include <string.h> -#include <stdio.h> - -static PermString::Initializer initializer; - -PermString::Doodad PermString::zero_char_doodad = { - 0, 0, { 0, 0 } -}; -PermString::Doodad PermString::one_char_doodad[256]; -PermString::Doodad* PermString::buckets[NHASH]; - -PermString::Initializer::Initializer() -{ - static int initialized = 0; - if (!initialized) { - PermString::static_initialize(); - initialized = 1; - } -} - -void -PermString::static_initialize() -{ - for (int i = 0; i < 256; i++) { - one_char_doodad[i].next = 0; - one_char_doodad[i].length = 1; - one_char_doodad[i].data[0] = i; - one_char_doodad[i].data[1] = 0; - } -} - - -// This scatter array, and the ideas behind it, are stolen from lcc. -static int scatter[] = { /* map characters to random values */ - 2078917053, 143302914, 1027100827, 1953210302, 755253631, - 2002600785, 1405390230, 45248011, 1099951567, 433832350, - 2018585307, 438263339, 813528929, 1703199216, 618906479, - 573714703, 766270699, 275680090, 1510320440, 1583583926, - 1723401032, 1965443329, 1098183682, 1636505764, 980071615, - 1011597961, 643279273, 1315461275, 157584038, 1069844923, - 471560540, 89017443, 1213147837, 1498661368, 2042227746, - 1968401469, 1353778505, 1300134328, 2013649480, 306246424, - 1733966678, 1884751139, 744509763, 400011959, 1440466707, - 1363416242, 973726663, 59253759, 1639096332, 336563455, - 1642837685, 1215013716, 154523136, 593537720, 704035832, - 1134594751, 1605135681, 1347315106, 302572379, 1762719719, - 269676381, 774132919, 1851737163, 1482824219, 125310639, - 1746481261, 1303742040, 1479089144, 899131941, 1169907872, - 1785335569, 485614972, 907175364, 382361684, 885626931, - 200158423, 1745777927, 1859353594, 259412182, 1237390611, - 48433401, 1902249868, 304920680, 202956538, 348303940, - 1008956512, 1337551289, 1953439621, 208787970, 1640123668, - 1568675693, 478464352, 266772940, 1272929208, 1961288571, - 392083579, 871926821, 1117546963, 1871172724, 1771058762, - 139971187, 1509024645, 109190086, 1047146551, 1891386329, - 994817018, 1247304975, 1489680608, 706686964, 1506717157, - 579587572, 755120366, 1261483377, 884508252, 958076904, - 1609787317, 1893464764, 148144545, 1415743291, 2102252735, - 1788268214, 836935336, 433233439, 2055041154, 2109864544, - 247038362, 299641085, 834307717, 1364585325, 23330161, - 457882831, 1504556512, 1532354806, 567072918, 404219416, - 1276257488, 1561889936, 1651524391, 618454448, 121093252, - 1010757900, 1198042020, 876213618, 124757630, 2082550272, - 1834290522, 1734544947, 1828531389, 1982435068, 1002804590, - 1783300476, 1623219634, 1839739926, 69050267, 1530777140, - 1802120822, 316088629, 1830418225, 488944891, 1680673954, - 1853748387, 946827723, 1037746818, 1238619545, 1513900641, - 1441966234, 367393385, 928306929, 946006977, 985847834, - 1049400181, 1956764878, 36406206, 1925613800, 2081522508, - 2118956479, 1612420674, 1668583807, 1800004220, 1447372094, - 523904750, 1435821048, 923108080, 216161028, 1504871315, - 306401572, 2018281851, 1820959944, 2136819798, 359743094, - 1354150250, 1843084537, 1306570817, 244413420, 934220434, - 672987810, 1686379655, 1301613820, 1601294739, 484902984, - 139978006, 503211273, 294184214, 176384212, 281341425, - 228223074, 147857043, 1893762099, 1896806882, 1947861263, - 1193650546, 273227984, 1236198663, 2116758626, 489389012, - 593586330, 275676551, 360187215, 267062626, 265012701, - 719930310, 1621212876, 2108097238, 2026501127, 1865626297, - 894834024, 552005290, 1404522304, 48964196, 5816381, - 1889425288, 188942202, 509027654, 36125855, 365326415, - 790369079, 264348929, 513183458, 536647531, 13672163, - 313561074, 1730298077, 286900147, 1549759737, 1699573055, - 776289160, 2143346068, 1975249606, 1136476375, 262925046, - 92778659, 1856406685, 1884137923, 53392249, 1735424165, - 1602280572 -}; - - -void -PermString::initialize(const char* s, int length) -{ - const unsigned char* m = reinterpret_cast<const unsigned char*>(s); - const unsigned char* mm; - - if (length < 0) - length = (s ? strlen(s) : 0); - - if (length == 0) { - _rep = zero_char_doodad.data; - return; - } else if (length == 1) { - _rep = one_char_doodad[m[0]].data; - return; - } - - unsigned hash; - int l; - for (hash = 0, l = length, mm = m; l; mm++, l--) - hash = (hash << 1) + scatter[*mm]; - hash &= (NHASH - 1); - - Doodad *buck; - for (buck = buckets[hash]; buck; buck = buck->next) - if (length == buck->length && memcmp(s, buck->data, length) == 0) { - _rep = buck->data; - return; - } - - // CANNOT USE new because the structure has variable size. - buck = (Doodad *)malloc(sizeof(Doodad) + length - 1); - buck->next = buckets[hash]; - buckets[hash] = buck; - buck->length = length; - memcpy(buck->data, s, length); - buck->data[length] = 0; - - _rep = buck->data; -} - -static int pspos; -static int pscap = 64; -static char *psc = (char *)malloc(pscap); - -static void -append(const char *s, int len) -{ - if (pspos + len >= pscap) { - pscap *= 2; - psc = (char *)realloc(psc, pscap); - } - memcpy(psc + pspos, s, len); - pspos += len; -} - -inline static void -extend(int len) -{ - while (pspos + len >= pscap) { - pscap *= 2; - psc = (char *)realloc(psc, pscap); - } -} - -PermString -vpermprintf(const char *s, va_list val) -{ - pspos = 0; - while (1) { - - const char *pct = strchr(s, '%'); - if (!pct) { - if (*s) - append(s, strlen(s)); - break; - } - if (pct != s) { - append(s, pct - s); - s = pct; - } - - int iflag = -1; - while (1) - switch (*++s) { - - case '0': - /* zeroflag = 1; */ - break; - - case '1': case '2': case '3': case '4': case '5': - case '6': case '7': case '8': case '9': - assert(iflag == -1 /* Too many decimal flags in permprintf */); - iflag = 0; - while (*s >= '0' && *s <= '9') { - iflag = iflag * 10 + *s - '0'; - s++; - } - break; - - case '*': - assert(iflag == -1 /* iflag given */); - iflag = va_arg(val, int); - break; - - case 's': { - const char *x = va_arg(val, const char *); - if (x) { - if (iflag < 0) - append(x, strlen(x)); - else - append(x, iflag); - } - goto pctdone; - } - - case 'c': { - char c = (char)(va_arg(val, int) & 0xFF); - append(&c, 1); - goto pctdone; - } - - case 'p': { - PermString::Capsule x = va_arg(val, PermString::Capsule); - PermString px; - if (x) - px = PermString::decapsule(x); - if (iflag < 0 || iflag > px.length()) - append(px.c_str(), px.length()); - else - append(px.c_str(), iflag); - goto pctdone; - } - - case 'd': { - // FIXME FIXME rewrite for sense - int x = va_arg(val, int); - if (pspos == pscap) - extend(1); - - // FIXME -2^31 - unsigned int ux = x; - if (x < 0) { - psc[pspos++] = '-'; - ux = -x; - } - - int numdigits = 0; - for (unsigned digcountx = ux; digcountx > 9; digcountx /= 10) - numdigits++; - - extend(numdigits + 1); - int digit = numdigits; - do { - psc[pspos + digit] = (ux % 10) + '0'; - ux /= 10; - digit--; - } while (ux); - pspos += numdigits + 1; - - goto pctdone; - } - - case 'g': { - // FIXME FIXME rewrite for sense - double x = va_arg(val, double); - char buffer[1000]; - int len; - sprintf(buffer, "%.10g%n", x, &len); - extend(len); - strcpy(psc + pspos, buffer); - pspos += len; - goto pctdone; - } - - default: - assert(0 /* Bad % in permprintf */); - goto pctdone; - - } - - pctdone: - s++; - } - - return PermString(psc, pspos); -} - -PermString permprintf(const char *s, ...) -{ - va_list val; - va_start(val, s); - PermString p = vpermprintf(s, val); - va_end(val); - return p; -} - -PermString permcat(PermString a, PermString b) -{ - if (!a || !b) - return a ? a : b; - unsigned al = a.length(); - unsigned bl = b.length(); - char *s = new char[al + bl]; - memcpy(s, a.c_str(), al); - memcpy(s + al, b.c_str(), bl); - PermString p(s, al + bl); - delete[] s; - return p; -} |