From 6e3cfc5bc8ca969856e4d56dec01870df709d75a Mon Sep 17 00:00:00 2001 From: marha Date: Wed, 19 Jan 2011 10:06:48 +0000 Subject: Added libXft-2.2.0 fontconfig-2.8.0 libXrender-0.9.6 --- fontconfig/fc-lang/fc-lang.c | 577 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 577 insertions(+) create mode 100644 fontconfig/fc-lang/fc-lang.c (limited to 'fontconfig/fc-lang/fc-lang.c') diff --git a/fontconfig/fc-lang/fc-lang.c b/fontconfig/fc-lang/fc-lang.c new file mode 100644 index 000000000..21d568d7e --- /dev/null +++ b/fontconfig/fc-lang/fc-lang.c @@ -0,0 +1,577 @@ +/* + * fontconfig/fc-lang/fc-lang.c + * + * Copyright © 2002 Keith Packard + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of Keith Packard not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Keith Packard makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +#include "fccharset.c" +#include "fcstr.c" +#include "fcserialize.c" + +/* + * fc-lang + * + * Read a set of language orthographies and build C declarations for + * charsets which can then be used to identify which languages are + * supported by a given font. Note that this uses some utilities + * from the fontconfig library, so the necessary file is simply + * included in this compilation. A couple of extra utility + * functions are also needed in slightly modified form + */ + +void +FcMemAlloc (int kind, int size) +{ +} + +void +FcMemFree (int kind, int size) +{ +} + +FcPrivate void +FcCacheObjectReference (void *object) +{ +} + +FcPrivate void +FcCacheObjectDereference (void *object) +{ +} + +int FcDebugVal; + +FcChar8 * +FcConfigHome (void) +{ + return (FcChar8 *) getenv ("HOME"); +} + +static void +fatal (const char *file, int lineno, const char *msg) +{ + if (lineno) + fprintf (stderr, "%s:%d: %s\n", file, lineno, msg); + else + fprintf (stderr, "%s: %s\n", file, msg); + exit (1); +} + +static char * +get_line (FILE *f, char *line, int *lineno) +{ + char *hash; + int end; + if (!fgets (line, 1024, f)) + return 0; + ++(*lineno); + hash = strchr (line, '#'); + if (hash) + *hash = '\0'; + + end = strlen (line); + while (end > 0 && isspace (line[end-1])) + line[--end] = '\0'; + + if (line[0] == '\0' || line[0] == '\n' || line[0] == '\032' || line[0] == '\r') + return get_line (f, line, lineno); + return line; +} + +static char *dir = 0; + +static FILE * +scanopen (char *file) +{ + FILE *f; + + f = fopen (file, "r"); + if (!f && dir) + { + char path[1024]; + + strcpy (path, dir); + strcat (path, "/"); + strcat (path, file); + f = fopen (path, "r"); + } + return f; +} + +/* + * build a single charset from a source file + * + * The file format is quite simple, either + * a single hex value or a pair separated with a dash + * + * Comments begin with '#' + */ + +static const FcCharSet * +scan (FILE *f, char *file, FcCharSetFreezer *freezer) +{ + FcCharSet *c = 0; + FcCharSet *n; + int start, end, ucs4; + char line[1024]; + int lineno = 0; + + while (get_line (f, line, &lineno)) + { + if (!strncmp (line, "include", 7)) + { + FILE *included_f; + char *included_file; + included_file = strchr (line, ' '); + if (!included_file) + fatal (file, lineno, + "invalid syntax, expected: include filename"); + while (isspace(*included_file)) + included_file++; + included_f = scanopen (included_file); + if (!included_f) + fatal (included_file, 0, "can't open"); + n = scan (included_f, included_file, freezer); + fclose (included_f); + if (!c) + c = FcCharSetCreate (); + if (!FcCharSetMerge (c, n, NULL)) + fatal (file, lineno, "out of memory"); + FcCharSetDestroy (n); + continue; + } + if (strchr (line, '-')) + { + if (sscanf (line, "%x-%x", &start, &end) != 2) + fatal (file, lineno, "parse error"); + } + else + { + if (sscanf (line, "%x", &start) != 1) + fatal (file, lineno, "parse error"); + end = start; + } + if (!c) + c = FcCharSetCreate (); + for (ucs4 = start; ucs4 <= end; ucs4++) + { + if (!FcCharSetAddChar (c, ucs4)) + fatal (file, lineno, "out of memory"); + } + } + n = FcCharSetFreeze (freezer, c); + FcCharSetDestroy (c); + return n; +} + +/* + * Convert a file name into a name suitable for C declarations + */ +static char * +get_name (char *file) +{ + char *name; + char *dot; + + dot = strchr (file, '.'); + if (!dot) + dot = file + strlen(file); + name = malloc (dot - file + 1); + strncpy (name, file, dot - file); + name[dot-file] = '\0'; + return name; +} + +/* + * Convert a C name into a language name + */ +static char * +get_lang (char *name) +{ + char *lang = malloc (strlen (name) + 1); + char *l = lang; + char c; + + while ((c = *name++)) + { + if (isupper ((int) (unsigned char) c)) + c = tolower ((int) (unsigned char) c); + if (c == '_') + c = '-'; + if (c == ' ') + continue; + *l++ = c; + } + *l++ = '\0'; + return lang; +} + +typedef struct _Entry { + int id; + char *file; +} Entry; + +static int compare (const void *a, const void *b) +{ + const Entry const *as = a, *bs = b; + return FcStrCmpIgnoreCase (as->file, bs->file); +} + +#define MAX_LANG 1024 +#define MAX_LANG_SET_MAP ((MAX_LANG + 31) / 32) + +#define BitSet(map, i) ((map)[(entries[i].id)>>5] |= ((FcChar32) 1 << ((entries[i].id) & 0x1f))) +#define BitGet(map, i) ((map)[(entries[i].id)>>5] >> ((entries[i].id) & 0x1f)) & 1) + +int +main (int argc, char **argv) +{ + static Entry entries[MAX_LANG]; + static const FcCharSet *sets[MAX_LANG]; + static int duplicate[MAX_LANG]; + static int country[MAX_LANG]; + static char *names[MAX_LANG]; + static char *langs[MAX_LANG]; + static int off[MAX_LANG]; + FILE *f; + int ncountry = 0; + int i = 0; + int nsets = 0; + int argi; + FcCharLeaf **leaves; + int total_leaves = 0; + int l, sl, tl, tn; + static char line[1024]; + static FcChar32 map[MAX_LANG_SET_MAP]; + int num_lang_set_map; + int setRangeStart[26]; + int setRangeEnd[26]; + FcChar8 setRangeChar; + FcCharSetFreezer *freezer; + + freezer = FcCharSetFreezerCreate (); + if (!freezer) + fatal (argv[0], 0, "out of memory"); + argi = 1; + while (argv[argi]) + { + if (!strcmp (argv[argi], "-d")) + { + argi++; + dir = argv[argi++]; + continue; + } + if (i == MAX_LANG) + fatal (argv[0], 0, "Too many languages"); + entries[i].id = i; + entries[i].file = argv[argi++]; + i++; + } + entries[i].file = 0; + qsort (entries, i, sizeof (Entry), compare); + i = 0; + while (entries[i].file) + { + f = scanopen (entries[i].file); + if (!f) + fatal (entries[i].file, 0, strerror (errno)); + sets[i] = scan (f, entries[i].file, freezer); + names[i] = get_name (entries[i].file); + langs[i] = get_lang(names[i]); + if (strchr (langs[i], '-')) + country[ncountry++] = i; + + total_leaves += sets[i]->num; + i++; + fclose (f); + } + nsets = i; + sets[i] = 0; + leaves = malloc (total_leaves * sizeof (FcCharLeaf *)); + tl = 0; + /* + * Find unique leaves + */ + for (i = 0; sets[i]; i++) + { + for (sl = 0; sl < sets[i]->num; sl++) + { + for (l = 0; l < tl; l++) + if (leaves[l] == FcCharSetLeaf(sets[i], sl)) + break; + if (l == tl) + leaves[tl++] = FcCharSetLeaf(sets[i], sl); + } + } + + /* + * Scan the input until the marker is found + */ + + while (fgets (line, sizeof (line), stdin)) + { + if (!strncmp (line, "@@@", 3)) + break; + fputs (line, stdout); + } + + printf ("/* total size: %d unique leaves: %d */\n\n", + total_leaves, tl); + + /* + * Find duplicate charsets + */ + duplicate[0] = -1; + for (i = 1; sets[i]; i++) + { + int j; + + duplicate[i] = -1; + for (j = 0; j < i; j++) + if (sets[j] == sets[i]) + { + duplicate[i] = j; + break; + } + } + + tn = 0; + for (i = 0; sets[i]; i++) { + if (duplicate[i] >= 0) + continue; + off[i] = tn; + tn += sets[i]->num; + } + + printf ("#define LEAF0 (%d * sizeof (FcLangCharSet))\n", nsets); + printf ("#define OFF0 (LEAF0 + %d * sizeof (FcCharLeaf))\n", tl); + printf ("#define NUM0 (OFF0 + %d * sizeof (intptr_t))\n", tn); + printf ("#define SET(n) (n * sizeof (FcLangCharSet) + offsetof (FcLangCharSet, charset))\n"); + printf ("#define OFF(s,o) (OFF0 + o * sizeof (intptr_t) - SET(s))\n"); + printf ("#define NUM(s,n) (NUM0 + n * sizeof (FcChar16) - SET(s))\n"); + printf ("#define LEAF(o,l) (LEAF0 + l * sizeof (FcCharLeaf) - (OFF0 + o * sizeof (intptr_t)))\n"); + printf ("#define fcLangCharSets (fcLangData.langCharSets)\n"); + printf ("#define fcLangCharSetIndices (fcLangData.langIndices)\n"); + printf ("#define fcLangCharSetIndicesInv (fcLangData.langIndicesInv)\n"); + printf ("\n"); + + printf ("static const struct {\n" + " FcLangCharSet langCharSets[%d];\n" + " FcCharLeaf leaves[%d];\n" + " intptr_t leaf_offsets[%d];\n" + " FcChar16 numbers[%d];\n" + " FcChar%s langIndices[%d];\n" + " FcChar%s langIndicesInv[%d];\n" + "} fcLangData = {\n", + nsets, tl, tn, tn, + nsets < 256 ? "8 " : "16", nsets, nsets < 256 ? "8 " : "16", nsets); + + /* + * Dump sets + */ + + printf ("{\n"); + for (i = 0; sets[i]; i++) + { + int j = duplicate[i]; + + if (j < 0) + j = i; + + printf (" { \"%s\", " + " { FC_REF_CONSTANT, %d, OFF(%d,%d), NUM(%d,%d) } }, /* %d */\n", + langs[i], + sets[j]->num, i, off[j], i, off[j], i); + } + printf ("},\n"); + + /* + * Dump leaves + */ + printf ("{\n"); + for (l = 0; l < tl; l++) + { + printf (" { { /* %d */", l); + for (i = 0; i < 256/32; i++) + { + if (i % 4 == 0) + printf ("\n "); + printf (" 0x%08x,", leaves[l]->map[i]); + } + printf ("\n } },\n"); + } + printf ("},\n"); + + /* + * Dump leaves + */ + printf ("{\n"); + for (i = 0; sets[i]; i++) + { + int n; + + if (duplicate[i] >= 0) + continue; + printf (" /* %s */\n", names[i]); + for (n = 0; n < sets[i]->num; n++) + { + if (n % 4 == 0) + printf (" "); + for (l = 0; l < tl; l++) + if (leaves[l] == FcCharSetLeaf(sets[i], n)) + break; + if (l == tl) + fatal (names[i], 0, "can't find leaf"); + printf (" LEAF(%3d,%3d),", off[i], l); + if (n % 4 == 3) + printf ("\n"); + } + if (n % 4 != 0) + printf ("\n"); + } + printf ("},\n"); + + + printf ("{\n"); + for (i = 0; sets[i]; i++) + { + int n; + + if (duplicate[i] >= 0) + continue; + printf (" /* %s */\n", names[i]); + for (n = 0; n < sets[i]->num; n++) + { + if (n % 8 == 0) + printf (" "); + printf (" 0x%04x,", FcCharSetNumbers (sets[i])[n]); + if (n % 8 == 7) + printf ("\n"); + } + if (n % 8 != 0) + printf ("\n"); + } + printf ("},\n"); + + /* langIndices */ + printf ("{\n"); + for (i = 0; sets[i]; i++) + { + printf (" %d, /* %s */\n", entries[i].id, names[i]); + } + printf ("},\n"); + + /* langIndicesInv */ + printf ("{\n"); + { + static int entries_inv[MAX_LANG]; + for (i = 0; sets[i]; i++) + entries_inv[entries[i].id] = i; + for (i = 0; sets[i]; i++) + printf (" %d, /* %s */\n", entries_inv[i], names[entries_inv[i]]); + } + printf ("}\n"); + + printf ("};\n\n"); + + printf ("#define NUM_LANG_CHAR_SET %d\n", i); + num_lang_set_map = (i + 31) / 32; + printf ("#define NUM_LANG_SET_MAP %d\n", num_lang_set_map); + /* + * Dump indices with country codes + */ + if (ncountry) + { + int c; + int ncountry_ent = 0; + printf ("\n"); + printf ("static const FcChar32 fcLangCountrySets[][NUM_LANG_SET_MAP] = {\n"); + for (c = 0; c < ncountry; c++) + { + i = country[c]; + if (i >= 0) + { + int lang = strchr (langs[i], '-') - langs[i]; + int d, k; + + for (k = 0; k < num_lang_set_map; k++) + map[k] = 0; + + BitSet (map, i); + for (d = c + 1; d < ncountry; d++) + { + int j = country[d]; + if (j >= 0 && !strncmp (langs[j], langs[i], lang + 1)) + { + BitSet(map, j); + country[d] = -1; + } + } + printf (" {"); + for (k = 0; k < num_lang_set_map; k++) + printf (" 0x%08x,", map[k]); + printf (" }, /* %*.*s */\n", + lang, lang, langs[i]); + ++ncountry_ent; + } + } + printf ("};\n\n"); + printf ("#define NUM_COUNTRY_SET %d\n", ncountry_ent); + } + + + /* + * Find ranges for each letter for faster searching + */ + setRangeChar = 'a'; + memset(setRangeStart, '\0', sizeof (setRangeStart)); + memset(setRangeEnd, '\0', sizeof (setRangeEnd)); + for (i = 0; sets[i]; i++) + { + char c = names[i][0]; + + while (setRangeChar <= c && c <= 'z') + setRangeStart[setRangeChar++ - 'a'] = i; + } + for (setRangeChar = 'a'; setRangeChar < 'z'; setRangeChar++) + setRangeEnd[setRangeChar - 'a'] = setRangeStart[setRangeChar+1-'a'] - 1; + setRangeEnd[setRangeChar - 'a'] = i - 1; + + /* + * Dump sets start/finish for the fastpath + */ + printf ("\n"); + printf ("static const FcLangCharSetRange fcLangCharSetRanges[] = {\n"); + printf ("\n"); + for (setRangeChar = 'a'; setRangeChar <= 'z' ; setRangeChar++) + { + printf (" { %d, %d }, /* %c */\n", + setRangeStart[setRangeChar - 'a'], + setRangeEnd[setRangeChar - 'a'], setRangeChar); + } + printf ("};\n\n"); + + while (fgets (line, sizeof (line), stdin)) + fputs (line, stdout); + + fflush (stdout); + exit (ferror (stdout)); +} -- cgit v1.2.3