X-Git-Url: https://git.wh0rd.org/?a=blobdiff_plain;f=src%2Ffccharset.c;h=df1d2b538ff9434ece57756a0b42351d5a6a4080;hb=HEAD;hp=b508ed81b4c69493583c84092c93c1c0a1be5a6d;hpb=17e16fa1108491fa625258bba12e71aaad8a34de;p=fontconfig.git diff --git a/src/fccharset.c b/src/fccharset.c index b508ed8..df1d2b5 100644 --- a/src/fccharset.c +++ b/src/fccharset.c @@ -1,79 +1,32 @@ /* - * $XFree86: xc/lib/fontconfig/src/fccharset.c,v 1.3 2002/02/18 22:29:28 keithp Exp $ + * fontconfig/src/fccharset.c * - * Copyright © 2001 Keith Packard, member of The XFree86 Project, Inc. + * Copyright © 2001 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 + * documentation, and that the name of the author(s) not be used in * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. Keith Packard makes no + * specific, written prior permission. The authors make no * representations about the suitability of this software for any purpose. It * is provided "as is" without express or implied warranty. * - * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * 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 #include "fcint.h" +#include /* #define CHECK */ -static int -FcCharSetLevels (FcChar32 ucs4) -{ - if (ucs4 <= 0xff) - return 1; - if (ucs4 <= 0xffff) - return 2; - if (ucs4 <= 0xffffff) - return 3; - return 4; -} - -static FcBool -FcCharSetCheckLevel (FcCharSet *fcs, FcChar32 ucs4) -{ - int level = FcCharSetLevels (ucs4); - - if (level <= fcs->levels) - return FcTrue; - while (fcs->levels < level) - { - if (fcs->levels == 0) - { - FcCharLeaf *leaf; - - leaf = (FcCharLeaf *) calloc (1, sizeof (FcCharLeaf)); - if (!leaf) - return FcFalse; - FcMemAlloc (FC_MEM_CHARNODE, sizeof (FcCharLeaf)); - fcs->node.leaf = leaf; - } - else - { - FcCharBranch *branch; - - branch = (FcCharBranch *) calloc (1, sizeof (FcCharBranch)); - if (!branch) - return FcFalse; - FcMemAlloc (FC_MEM_CHARNODE, sizeof (FcCharBranch)); - branch->nodes[0] = fcs->node; - fcs->node.branch = branch; - } - ++fcs->levels; - } - return FcTrue; -} - FcCharSet * FcCharSetCreate (void) { @@ -84,79 +37,166 @@ FcCharSetCreate (void) return 0; FcMemAlloc (FC_MEM_CHARSET, sizeof (FcCharSet)); fcs->ref = 1; - fcs->levels = 0; - fcs->node.leaf = 0; - fcs->constant = FcFalse; + fcs->num = 0; + fcs->leaves_offset = 0; + fcs->numbers_offset = 0; return fcs; } -FcCharSet * -FcCharSetNew (void); - FcCharSet * FcCharSetNew (void) { return FcCharSetCreate (); } -static void -FcCharNodeDestroy (FcCharNode node, int level) +void +FcCharSetDestroy (FcCharSet *fcs) { - int i; + int i; - switch (level) { - case 0: - break; - case 1: - FcMemFree (FC_MEM_CHARNODE, sizeof (FcCharLeaf)); - free (node.leaf); - break; - default: - for (i = 0; i < 256; i++) - if (node.branch->nodes[i].branch) - FcCharNodeDestroy (node.branch->nodes[i], level - 1); - FcMemFree (FC_MEM_CHARNODE, sizeof (FcCharBranch)); - free (node.branch); + if (fcs->ref == FC_REF_CONSTANT) + { + FcCacheObjectDereference (fcs); + return; } + if (--fcs->ref > 0) + return; + for (i = 0; i < fcs->num; i++) + { + FcMemFree (FC_MEM_CHARLEAF, sizeof (FcCharLeaf)); + free (FcCharSetLeaf (fcs, i)); + } + if (fcs->num) + { + /* the numbers here are estimates */ + FcMemFree (FC_MEM_CHARSET, fcs->num * sizeof (intptr_t)); + free (FcCharSetLeaves (fcs)); + FcMemFree (FC_MEM_CHARSET, fcs->num * sizeof (FcChar16)); + free (FcCharSetNumbers (fcs)); + } + FcMemFree (FC_MEM_CHARSET, sizeof (FcCharSet)); + free (fcs); } -void -FcCharSetDestroy (FcCharSet *fcs) +/* + * Search for the leaf containing with the specified num. + * Return its index if it exists, otherwise return negative of + * the (position + 1) where it should be inserted + */ + + +static int +FcCharSetFindLeafForward (const FcCharSet *fcs, int start, FcChar16 num) { - if (fcs->constant) - return; - if (--fcs->ref <= 0) + FcChar16 *numbers = FcCharSetNumbers(fcs); + FcChar16 page; + int low = start; + int high = fcs->num - 1; + + if (!numbers) + return -1; + while (low <= high) { - FcCharNodeDestroy (fcs->node, fcs->levels); - FcMemFree (FC_MEM_CHARSET, sizeof (FcCharSet)); - free (fcs); + int mid = (low + high) >> 1; + page = numbers[mid]; + if (page == num) + return mid; + if (page < num) + low = mid + 1; + else + high = mid - 1; } + if (high < 0 || (high < fcs->num && numbers[high] < num)) + high++; + return -(high + 1); } /* - * Locate the leaf containing the specified char, returning - * null if it doesn't exist + * Locate the leaf containing the specified char, return + * its index if it exists, otherwise return negative of + * the (position + 1) where it should be inserted */ +static int +FcCharSetFindLeafPos (const FcCharSet *fcs, FcChar32 ucs4) +{ + return FcCharSetFindLeafForward (fcs, 0, ucs4 >> 8); +} + static FcCharLeaf * FcCharSetFindLeaf (const FcCharSet *fcs, FcChar32 ucs4) { - int l; - const FcCharNode *prev; - FcCharNode node; - FcChar32 i; - - prev = &fcs->node; - l = fcs->levels; - while (--l > 0) + int pos = FcCharSetFindLeafPos (fcs, ucs4); + if (pos >= 0) + return FcCharSetLeaf(fcs, pos); + return 0; +} + +#define FC_IS_ZERO_OR_POWER_OF_TWO(x) (!((x) & ((x)-1))) + +static FcBool +FcCharSetPutLeaf (FcCharSet *fcs, + FcChar32 ucs4, + FcCharLeaf *leaf, + int pos) +{ + intptr_t *leaves = FcCharSetLeaves (fcs); + FcChar16 *numbers = FcCharSetNumbers (fcs); + + ucs4 >>= 8; + if (ucs4 >= 0x10000) + return FcFalse; + + if (FC_IS_ZERO_OR_POWER_OF_TWO (fcs->num)) { - node = *prev; - if (!node.branch) - return 0; - i = (ucs4 >> (l << 3)) & 0xff; - prev = &node.branch->nodes[i]; + if (!fcs->num) + { + unsigned int alloced = 8; + leaves = malloc (alloced * sizeof (*leaves)); + numbers = malloc (alloced * sizeof (*numbers)); + FcMemAlloc (FC_MEM_CHARSET, alloced * sizeof (*leaves)); + FcMemAlloc (FC_MEM_CHARSET, alloced * sizeof (*numbers)); + } + else + { + unsigned int alloced = fcs->num; + intptr_t *new_leaves, distance; + + FcMemFree (FC_MEM_CHARSET, alloced * sizeof (*leaves)); + FcMemFree (FC_MEM_CHARSET, alloced * sizeof (*numbers)); + + alloced *= 2; + new_leaves = realloc (leaves, alloced * sizeof (*leaves)); + numbers = realloc (numbers, alloced * sizeof (*numbers)); + + FcMemAlloc (FC_MEM_CHARSET, alloced * sizeof (*leaves)); + FcMemAlloc (FC_MEM_CHARSET, alloced * sizeof (*numbers)); + + distance = (intptr_t) new_leaves - (intptr_t) leaves; + if (new_leaves && distance) + { + int i; + for (i = 0; i < fcs->num; i++) + new_leaves[i] -= distance; + } + leaves = new_leaves; + } + + if (!leaves || !numbers) + return FcFalse; + + fcs->leaves_offset = FcPtrToOffset (fcs, leaves); + fcs->numbers_offset = FcPtrToOffset (fcs, numbers); } - return prev->leaf; + + memmove (leaves + pos + 1, leaves + pos, + (fcs->num - pos) * sizeof (*leaves)); + memmove (numbers + pos + 1, numbers + pos, + (fcs->num - pos) * sizeof (*numbers)); + numbers[pos] = (FcChar16) ucs4; + leaves[pos] = FcPtrToOffset (leaves, leaf); + fcs->num++; + return FcTrue; } /* @@ -164,41 +204,46 @@ FcCharSetFindLeaf (const FcCharSet *fcs, FcChar32 ucs4) * if desired */ -static FcCharLeaf * +FcCharLeaf * FcCharSetFindLeafCreate (FcCharSet *fcs, FcChar32 ucs4) { - int l; - FcCharNode *prev, node; - FcChar32 i; + int pos; + FcCharLeaf *leaf; - if (!FcCharSetCheckLevel (fcs, ucs4)) - return FcFalse; - prev = &fcs->node; - l = fcs->levels; - while (--l > 0) + pos = FcCharSetFindLeafPos (fcs, ucs4); + if (pos >= 0) + return FcCharSetLeaf(fcs, pos); + + leaf = calloc (1, sizeof (FcCharLeaf)); + if (!leaf) + return 0; + + pos = -pos - 1; + if (!FcCharSetPutLeaf (fcs, ucs4, leaf, pos)) { - node = *prev; - if (!node.branch) - { - node.branch = calloc (1, sizeof (FcCharBranch)); - if (!node.branch) - return 0; - FcMemAlloc (FC_MEM_CHARNODE, sizeof (FcCharBranch)); - *prev = node; - } - i = (ucs4 >> (l << 3)) & 0xff; - prev = &node.branch->nodes[i]; + free (leaf); + return 0; } - node = *prev; - if (!node.leaf) + FcMemAlloc (FC_MEM_CHARLEAF, sizeof (FcCharLeaf)); + return leaf; +} + +static FcBool +FcCharSetInsertLeaf (FcCharSet *fcs, FcChar32 ucs4, FcCharLeaf *leaf) +{ + int pos; + + pos = FcCharSetFindLeafPos (fcs, ucs4); + if (pos >= 0) { - node.leaf = calloc (1, sizeof (FcCharLeaf)); - if (!node.leaf) - return 0; - FcMemAlloc (FC_MEM_CHARNODE, sizeof (FcCharLeaf)); - *prev = node; + FcMemFree (FC_MEM_CHARLEAF, sizeof (FcCharLeaf)); + free (FcCharSetLeaf (fcs, pos)); + FcCharSetLeaves(fcs)[pos] = FcPtrToOffset (FcCharSetLeaves(fcs), + leaf); + return FcTrue; } - return node.leaf; + pos = -pos - 1; + return FcCharSetPutLeaf (fcs, ucs4, leaf, pos); } FcBool @@ -206,8 +251,8 @@ FcCharSetAddChar (FcCharSet *fcs, FcChar32 ucs4) { FcCharLeaf *leaf; FcChar32 *b; - - if (fcs->constant) + + if (fcs->ref == FC_REF_CONSTANT) return FcFalse; leaf = FcCharSetFindLeafCreate (fcs, ucs4); if (!leaf) @@ -217,6 +262,23 @@ FcCharSetAddChar (FcCharSet *fcs, FcChar32 ucs4) return FcTrue; } +FcBool +FcCharSetDelChar (FcCharSet *fcs, FcChar32 ucs4) +{ + FcCharLeaf *leaf; + FcChar32 *b; + + if (fcs->ref == FC_REF_CONSTANT) + return FcFalse; + leaf = FcCharSetFindLeaf (fcs, ucs4); + if (!leaf) + return FcTrue; + b = &leaf->map[(ucs4 & 0xff) >> 5]; + *b &= ~(1 << (ucs4 & 0x1f)); + /* We don't bother removing the leaf if it's empty */ + return FcTrue; +} + /* * An iterator for the leaves of a charset */ @@ -224,74 +286,66 @@ FcCharSetAddChar (FcCharSet *fcs, FcChar32 ucs4) typedef struct _fcCharSetIter { FcCharLeaf *leaf; FcChar32 ucs4; + int pos; } FcCharSetIter; /* - * Find the nearest leaf at or beyond *ucs4, return 0 if no leaf - * exists + * Set iter->leaf to the leaf containing iter->ucs4 or higher */ -static FcCharLeaf * -FcCharSetIterLeaf (FcCharNode node, int level, FcChar32 *ucs4) + +static void +FcCharSetIterSet (const FcCharSet *fcs, FcCharSetIter *iter) { - if (level <= 1) - return node.leaf; - else if (!node.branch) - return 0; - else - { - int shift = ((level - 1) << 3); - FcChar32 inc = 1 << shift; - FcChar32 mask = ~(inc - 1); - FcChar32 byte = (*ucs4 >> shift) & 0xff; - FcCharLeaf *leaf; + int pos = FcCharSetFindLeafPos (fcs, iter->ucs4); - for (;;) + if (pos < 0) + { + pos = -pos - 1; + if (pos == fcs->num) { - leaf = FcCharSetIterLeaf (node.branch->nodes[byte], - level - 1, - ucs4); - if (leaf) - break; - /* step to next branch, resetting lower indices */ - *ucs4 = (*ucs4 & mask) + inc; - byte = (byte + 1) & 0xff; - if (byte == 0) - break; + iter->ucs4 = ~0; + iter->leaf = 0; + return; } - return leaf; + iter->ucs4 = (FcChar32) FcCharSetNumbers(fcs)[pos] << 8; } + iter->leaf = FcCharSetLeaf(fcs, pos); + iter->pos = pos; } static void -FcCharSetIterSet (const FcCharSet *fcs, FcCharSetIter *iter) +FcCharSetIterNext (const FcCharSet *fcs, FcCharSetIter *iter) { - if (FcCharSetLevels (iter->ucs4) > fcs->levels) + int pos = iter->pos + 1; + if (pos >= fcs->num) + { + iter->ucs4 = ~0; iter->leaf = 0; + } else - iter->leaf = FcCharSetIterLeaf (fcs->node, fcs->levels, - &iter->ucs4); - if (!iter->leaf) - iter->ucs4 = ~0; + { + iter->ucs4 = (FcChar32) FcCharSetNumbers(fcs)[pos] << 8; + iter->leaf = FcCharSetLeaf(fcs, pos); + iter->pos = pos; + } } -static void -FcCharSetIterNext (const FcCharSet *fcs, FcCharSetIter *iter) -{ - iter->ucs4 += 0x100; - FcCharSetIterSet (fcs, iter); -} static void FcCharSetIterStart (const FcCharSet *fcs, FcCharSetIter *iter) { iter->ucs4 = 0; + iter->pos = 0; FcCharSetIterSet (fcs, iter); } FcCharSet * FcCharSetCopy (FcCharSet *src) { - src->ref++; + if (src->ref != FC_REF_CONSTANT) + src->ref++; + else + FcCacheObjectReference (src); return src; } @@ -300,7 +354,7 @@ FcCharSetEqual (const FcCharSet *a, const FcCharSet *b) { FcCharSetIter ai, bi; int i; - + if (a == b) return FcTrue; for (FcCharSetIterStart (a, &ai), FcCharSetIterStart (b, &bi); @@ -345,7 +399,7 @@ FcCharSetOperate (const FcCharSet *a, goto bail0; FcCharSetIterStart (a, &ai); FcCharSetIterStart (b, &bi); - while ((ai.leaf || bonly) && (bi.leaf || aonly)) + while ((ai.leaf || (bonly && bi.leaf)) && (bi.leaf || (aonly && ai.leaf))) { if (ai.ucs4 < bi.ucs4) { @@ -433,6 +487,57 @@ FcCharSetUnion (const FcCharSet *a, const FcCharSet *b) return FcCharSetOperate (a, b, FcCharSetUnionLeaf, FcTrue, FcTrue); } +FcBool +FcCharSetMerge (FcCharSet *a, const FcCharSet *b, FcBool *changed) +{ + int ai = 0, bi = 0; + FcChar16 an, bn; + + if (a->ref == FC_REF_CONSTANT) { + if (changed) + *changed = FcFalse; + return FcFalse; + } + + if (changed) { + *changed = !FcCharSetIsSubset(b, a); + if (!*changed) + return FcTrue; + } + + while (bi < b->num) + { + an = ai < a->num ? FcCharSetNumbers(a)[ai] : ~0; + bn = FcCharSetNumbers(b)[bi]; + + if (an < bn) + { + ai = FcCharSetFindLeafForward (a, ai + 1, bn); + if (ai < 0) + ai = -ai - 1; + } + else + { + FcCharLeaf *bl = FcCharSetLeaf(b, bi); + if (bn < an) + { + if (!FcCharSetAddLeaf (a, bn << 8, bl)) + return FcFalse; + } + else + { + FcCharLeaf *al = FcCharSetLeaf(a, ai); + FcCharSetUnionLeaf (al, al, bl); + } + + ai++; + bi++; + } + } + + return FcTrue; +} + static FcBool FcCharSetSubtractLeaf (FcCharLeaf *result, const FcCharLeaf *al, @@ -465,10 +570,14 @@ FcCharSetHasChar (const FcCharSet *fcs, FcChar32 ucs4) static FcChar32 FcCharSetPopCount (FcChar32 c1) { +#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) + return __builtin_popcount (c1); +#else /* hackmem 169 */ FcChar32 c2 = (c1 >> 1) & 033333333333; c2 = c1 - c2 - ((c2 >> 1) & 033333333333); return (((c2 + (c2 >> 3)) & 030707070707) % 077); +#endif } FcChar32 @@ -476,7 +585,7 @@ FcCharSetIntersectCount (const FcCharSet *a, const FcCharSet *b) { FcCharSetIter ai, bi; FcChar32 count = 0; - + FcCharSetIterStart (a, &ai); FcCharSetIterStart (b, &bi); while (ai.leaf && bi.leaf) @@ -489,7 +598,7 @@ FcCharSetIntersectCount (const FcCharSet *a, const FcCharSet *b) while (i--) count += FcCharSetPopCount (*am++ & *bm++); FcCharSetIterNext (a, &ai); - } + } else if (ai.ucs4 < bi.ucs4) { ai.ucs4 = bi.ucs4; @@ -509,7 +618,7 @@ FcCharSetCount (const FcCharSet *a) { FcCharSetIter ai; FcChar32 count = 0; - + for (FcCharSetIterStart (a, &ai); ai.leaf; FcCharSetIterNext (a, &ai)) { int i = 256/32; @@ -526,7 +635,7 @@ FcCharSetSubtractCount (const FcCharSet *a, const FcCharSet *b) { FcCharSetIter ai, bi; FcChar32 count = 0; - + FcCharSetIterStart (a, &ai); FcCharSetIterStart (b, &bi); while (ai.leaf) @@ -537,7 +646,7 @@ FcCharSetSubtractCount (const FcCharSet *a, const FcCharSet *b) int i = 256/32; if (ai.ucs4 == bi.ucs4) { - FcChar32 *bm = bi.leaf->map;; + FcChar32 *bm = bi.leaf->map; while (i--) count += FcCharSetPopCount (*am++ & ~*bm++); } @@ -557,6 +666,106 @@ FcCharSetSubtractCount (const FcCharSet *a, const FcCharSet *b) return count; } +/* + * return FcTrue iff a is a subset of b + */ +FcBool +FcCharSetIsSubset (const FcCharSet *a, const FcCharSet *b) +{ + int ai, bi; + FcChar16 an, bn; + + if (a == b) return FcTrue; + bi = 0; + ai = 0; + while (ai < a->num && bi < b->num) + { + an = FcCharSetNumbers(a)[ai]; + bn = FcCharSetNumbers(b)[bi]; + /* + * Check matching pages + */ + if (an == bn) + { + FcChar32 *am = FcCharSetLeaf(a, ai)->map; + FcChar32 *bm = FcCharSetLeaf(b, bi)->map; + + if (am != bm) + { + int i = 256/32; + /* + * Does am have any bits not in bm? + */ + while (i--) + if (*am++ & ~*bm++) + return FcFalse; + } + ai++; + bi++; + } + /* + * Does a have any pages not in b? + */ + else if (an < bn) + return FcFalse; + else + { + bi = FcCharSetFindLeafForward (b, bi + 1, an); + if (bi < 0) + bi = -bi - 1; + } + } + /* + * did we look at every page? + */ + return ai >= a->num; +} + +/* + * These two functions efficiently walk the entire charmap for + * other software (like pango) that want their own copy + */ + +FcChar32 +FcCharSetNextPage (const FcCharSet *a, + FcChar32 map[FC_CHARSET_MAP_SIZE], + FcChar32 *next) +{ + FcCharSetIter ai; + FcChar32 page; + + ai.ucs4 = *next; + FcCharSetIterSet (a, &ai); + if (!ai.leaf) + return FC_CHARSET_DONE; + + /* + * Save current information + */ + page = ai.ucs4; + memcpy (map, ai.leaf->map, sizeof (ai.leaf->map)); + /* + * Step to next page + */ + FcCharSetIterNext (a, &ai); + *next = ai.ucs4; + + return page; +} + +FcChar32 +FcCharSetFirstPage (const FcCharSet *a, + FcChar32 map[FC_CHARSET_MAP_SIZE], + FcChar32 *next) +{ + *next = 0; + return FcCharSetNextPage (a, map, next); +} + +/* + * old coverage API, rather hard to use correctly + */ + FcChar32 FcCharSetCoverage (const FcCharSet *a, FcChar32 page, FcChar32 *result) { @@ -580,7 +789,7 @@ FcCharSetCoverage (const FcCharSet *a, FcChar32 page, FcChar32 *result) /* * ASCII representation of charsets. - * + * * Each leaf is represented as 9 32-bit values, the code of the first character followed * by 8 32 bit values for the leaf itself. Each value is encoded as 5 ASCII characters, * only 85 different values are used to avoid control characters as well as the other @@ -588,42 +797,42 @@ FcCharSetCoverage (const FcCharSet *a, FcChar32 page, FcChar32 *result) * it's not exactly human readable output. As a special case, 0 is encoded as a space */ -static unsigned char charToValue[256] = { - /* "" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - /* "\b" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - /* "\020" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - /* "\030" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - /* " " */ 0xff, 0x00, 0xff, 0x01, 0x02, 0x03, 0x04, 0xff, - /* "(" */ 0x05, 0x06, 0x07, 0x08, 0xff, 0xff, 0x09, 0x0a, - /* "0" */ 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, - /* "8" */ 0x13, 0x14, 0xff, 0x15, 0x16, 0xff, 0x17, 0x18, - /* "@" */ 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, - /* "H" */ 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, - /* "P" */ 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30, - /* "X" */ 0x31, 0x32, 0x33, 0x34, 0xff, 0x35, 0x36, 0xff, - /* "`" */ 0xff, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, - /* "h" */ 0x3e, 0x3f, 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, - /* "p" */ 0x46, 0x47, 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, - /* "x" */ 0x4e, 0x4f, 0x50, 0x51, 0x52, 0x53, 0x54, 0xff, - /* "\200" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - /* "\210" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - /* "\220" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - /* "\230" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - /* "\240" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - /* "\250" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - /* "\260" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - /* "\270" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - /* "\300" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - /* "\310" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - /* "\320" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - /* "\330" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - /* "\340" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - /* "\350" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - /* "\360" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - /* "\370" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, +static const unsigned char charToValue[256] = { + /* "" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + /* "\b" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + /* "\020" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + /* "\030" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + /* " " */ 0xff, 0x00, 0xff, 0x01, 0x02, 0x03, 0x04, 0xff, + /* "(" */ 0x05, 0x06, 0x07, 0x08, 0xff, 0xff, 0x09, 0x0a, + /* "0" */ 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, + /* "8" */ 0x13, 0x14, 0xff, 0x15, 0x16, 0xff, 0x17, 0x18, + /* "@" */ 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, + /* "H" */ 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, + /* "P" */ 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30, + /* "X" */ 0x31, 0x32, 0x33, 0x34, 0xff, 0x35, 0x36, 0xff, + /* "`" */ 0xff, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, + /* "h" */ 0x3e, 0x3f, 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, + /* "p" */ 0x46, 0x47, 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, + /* "x" */ 0x4e, 0x4f, 0x50, 0x51, 0x52, 0x53, 0x54, 0xff, + /* "\200" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + /* "\210" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + /* "\220" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + /* "\230" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + /* "\240" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + /* "\250" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + /* "\260" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + /* "\270" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + /* "\300" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + /* "\310" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + /* "\320" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + /* "\330" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + /* "\340" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + /* "\350" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + /* "\360" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + /* "\370" */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, }; -static FcChar8 valueToChar[0x55] = { +static const FcChar8 valueToChar[0x55] = { /* 0x00 */ '!', '#', '$', '%', '&', '(', ')', '*', /* 0x08 */ '+', '.', '/', '0', '1', '2', '3', '4', /* 0x10 */ '5', '6', '7', '8', '9', ';', '<', '>', @@ -643,7 +852,7 @@ FcCharSetParseValue (FcChar8 *string, FcChar32 *value) int i; FcChar32 v; FcChar32 c; - + if (*string == ' ') { v = 0; @@ -697,6 +906,8 @@ FcNameParseCharSet (FcChar8 *string) FcCharSet *c; FcChar32 ucs4; FcCharLeaf *leaf; + FcCharLeaf temp; + FcChar32 bits; int i; c = FcCharSetCreate (); @@ -707,21 +918,40 @@ FcNameParseCharSet (FcChar8 *string) string = FcCharSetParseValue (string, &ucs4); if (!string) goto bail1; - leaf = FcCharSetFindLeafCreate (c, ucs4); - if (!leaf) - goto bail1; + bits = 0; for (i = 0; i < 256/32; i++) { - string = FcCharSetParseValue (string, &leaf->map[i]); + string = FcCharSetParseValue (string, &temp.map[i]); if (!string) goto bail1; + bits |= temp.map[i]; + } + if (bits) + { + leaf = malloc (sizeof (FcCharLeaf)); + if (!leaf) + goto bail1; + *leaf = temp; + if (!FcCharSetInsertLeaf (c, ucs4, leaf)) + goto bail1; } } return c; bail1: - FcCharSetDestroy (c); + if (c->num) + { + FcMemFree (FC_MEM_CHARSET, c->num * sizeof (FcCharLeaf *)); + free (FcCharSetLeaves (c)); + } + if (c->num) + { + FcMemFree (FC_MEM_CHARSET, c->num * sizeof (FcChar16)); + free (FcCharSetNumbers (c)); + } + FcMemFree (FC_MEM_CHARSET, sizeof (FcCharSet)); + free (c); bail0: - return 0; + return NULL; } FcBool @@ -793,749 +1023,417 @@ FcNameUnparseCharSet (FcStrBuf *buf, const FcCharSet *c) FcCharSetDestroy (check); } #endif - + return FcTrue; } -#include -#include +typedef struct _FcCharLeafEnt FcCharLeafEnt; -/* - * Figure out whether the available freetype has FT_Get_Next_Char - */ +struct _FcCharLeafEnt { + FcCharLeafEnt *next; + FcChar32 hash; + FcCharLeaf leaf; +}; -#if FREETYPE_MAJOR > 2 -# define HAS_NEXT_CHAR -#else -# if FREETYPE_MAJOR == 2 -# if FREETYPE_MINOR > 0 -# define HAS_NEXT_CHAR -# else -# if FREETYPE_MINOR == 0 -# if FREETYPE_PATCH >= 8 -# define HAS_NEXT_CHAR -# endif -# endif -# endif -# endif -#endif +#define FC_CHAR_LEAF_BLOCK (4096 / sizeof (FcCharLeafEnt)) +#define FC_CHAR_LEAF_HASH_SIZE 257 -/* - * For our purposes, this approximation is sufficient - */ -#ifndef HAS_NEXT_CHAR -#define FT_Get_Next_Char(face, ucs4) ((ucs4) >= 0xffffff ? 0 : (ucs4) + 1) -#warning "No FT_Get_Next_Char" -#endif +typedef struct _FcCharSetEnt FcCharSetEnt; -typedef struct _FcCharEnt { - FcChar16 bmp; - unsigned char encode; -} FcCharEnt; - -typedef struct _FcCharMap { - const FcCharEnt *ent; - int nent; -} FcCharMap; - -typedef struct _FcFontDecode { - FT_Encoding encoding; - const FcCharMap *map; - FcChar32 max; -} FcFontDecode; - -static const FcCharEnt AppleRomanEnt[] = { - { 0x0020, 0x20 }, /* SPACE */ - { 0x0021, 0x21 }, /* EXCLAMATION MARK */ - { 0x0022, 0x22 }, /* QUOTATION MARK */ - { 0x0023, 0x23 }, /* NUMBER SIGN */ - { 0x0024, 0x24 }, /* DOLLAR SIGN */ - { 0x0025, 0x25 }, /* PERCENT SIGN */ - { 0x0026, 0x26 }, /* AMPERSAND */ - { 0x0027, 0x27 }, /* APOSTROPHE */ - { 0x0028, 0x28 }, /* LEFT PARENTHESIS */ - { 0x0029, 0x29 }, /* RIGHT PARENTHESIS */ - { 0x002A, 0x2A }, /* ASTERISK */ - { 0x002B, 0x2B }, /* PLUS SIGN */ - { 0x002C, 0x2C }, /* COMMA */ - { 0x002D, 0x2D }, /* HYPHEN-MINUS */ - { 0x002E, 0x2E }, /* FULL STOP */ - { 0x002F, 0x2F }, /* SOLIDUS */ - { 0x0030, 0x30 }, /* DIGIT ZERO */ - { 0x0031, 0x31 }, /* DIGIT ONE */ - { 0x0032, 0x32 }, /* DIGIT TWO */ - { 0x0033, 0x33 }, /* DIGIT THREE */ - { 0x0034, 0x34 }, /* DIGIT FOUR */ - { 0x0035, 0x35 }, /* DIGIT FIVE */ - { 0x0036, 0x36 }, /* DIGIT SIX */ - { 0x0037, 0x37 }, /* DIGIT SEVEN */ - { 0x0038, 0x38 }, /* DIGIT EIGHT */ - { 0x0039, 0x39 }, /* DIGIT NINE */ - { 0x003A, 0x3A }, /* COLON */ - { 0x003B, 0x3B }, /* SEMICOLON */ - { 0x003C, 0x3C }, /* LESS-THAN SIGN */ - { 0x003D, 0x3D }, /* EQUALS SIGN */ - { 0x003E, 0x3E }, /* GREATER-THAN SIGN */ - { 0x003F, 0x3F }, /* QUESTION MARK */ - { 0x0040, 0x40 }, /* COMMERCIAL AT */ - { 0x0041, 0x41 }, /* LATIN CAPITAL LETTER A */ - { 0x0042, 0x42 }, /* LATIN CAPITAL LETTER B */ - { 0x0043, 0x43 }, /* LATIN CAPITAL LETTER C */ - { 0x0044, 0x44 }, /* LATIN CAPITAL LETTER D */ - { 0x0045, 0x45 }, /* LATIN CAPITAL LETTER E */ - { 0x0046, 0x46 }, /* LATIN CAPITAL LETTER F */ - { 0x0047, 0x47 }, /* LATIN CAPITAL LETTER G */ - { 0x0048, 0x48 }, /* LATIN CAPITAL LETTER H */ - { 0x0049, 0x49 }, /* LATIN CAPITAL LETTER I */ - { 0x004A, 0x4A }, /* LATIN CAPITAL LETTER J */ - { 0x004B, 0x4B }, /* LATIN CAPITAL LETTER K */ - { 0x004C, 0x4C }, /* LATIN CAPITAL LETTER L */ - { 0x004D, 0x4D }, /* LATIN CAPITAL LETTER M */ - { 0x004E, 0x4E }, /* LATIN CAPITAL LETTER N */ - { 0x004F, 0x4F }, /* LATIN CAPITAL LETTER O */ - { 0x0050, 0x50 }, /* LATIN CAPITAL LETTER P */ - { 0x0051, 0x51 }, /* LATIN CAPITAL LETTER Q */ - { 0x0052, 0x52 }, /* LATIN CAPITAL LETTER R */ - { 0x0053, 0x53 }, /* LATIN CAPITAL LETTER S */ - { 0x0054, 0x54 }, /* LATIN CAPITAL LETTER T */ - { 0x0055, 0x55 }, /* LATIN CAPITAL LETTER U */ - { 0x0056, 0x56 }, /* LATIN CAPITAL LETTER V */ - { 0x0057, 0x57 }, /* LATIN CAPITAL LETTER W */ - { 0x0058, 0x58 }, /* LATIN CAPITAL LETTER X */ - { 0x0059, 0x59 }, /* LATIN CAPITAL LETTER Y */ - { 0x005A, 0x5A }, /* LATIN CAPITAL LETTER Z */ - { 0x005B, 0x5B }, /* LEFT SQUARE BRACKET */ - { 0x005C, 0x5C }, /* REVERSE SOLIDUS */ - { 0x005D, 0x5D }, /* RIGHT SQUARE BRACKET */ - { 0x005E, 0x5E }, /* CIRCUMFLEX ACCENT */ - { 0x005F, 0x5F }, /* LOW LINE */ - { 0x0060, 0x60 }, /* GRAVE ACCENT */ - { 0x0061, 0x61 }, /* LATIN SMALL LETTER A */ - { 0x0062, 0x62 }, /* LATIN SMALL LETTER B */ - { 0x0063, 0x63 }, /* LATIN SMALL LETTER C */ - { 0x0064, 0x64 }, /* LATIN SMALL LETTER D */ - { 0x0065, 0x65 }, /* LATIN SMALL LETTER E */ - { 0x0066, 0x66 }, /* LATIN SMALL LETTER F */ - { 0x0067, 0x67 }, /* LATIN SMALL LETTER G */ - { 0x0068, 0x68 }, /* LATIN SMALL LETTER H */ - { 0x0069, 0x69 }, /* LATIN SMALL LETTER I */ - { 0x006A, 0x6A }, /* LATIN SMALL LETTER J */ - { 0x006B, 0x6B }, /* LATIN SMALL LETTER K */ - { 0x006C, 0x6C }, /* LATIN SMALL LETTER L */ - { 0x006D, 0x6D }, /* LATIN SMALL LETTER M */ - { 0x006E, 0x6E }, /* LATIN SMALL LETTER N */ - { 0x006F, 0x6F }, /* LATIN SMALL LETTER O */ - { 0x0070, 0x70 }, /* LATIN SMALL LETTER P */ - { 0x0071, 0x71 }, /* LATIN SMALL LETTER Q */ - { 0x0072, 0x72 }, /* LATIN SMALL LETTER R */ - { 0x0073, 0x73 }, /* LATIN SMALL LETTER S */ - { 0x0074, 0x74 }, /* LATIN SMALL LETTER T */ - { 0x0075, 0x75 }, /* LATIN SMALL LETTER U */ - { 0x0076, 0x76 }, /* LATIN SMALL LETTER V */ - { 0x0077, 0x77 }, /* LATIN SMALL LETTER W */ - { 0x0078, 0x78 }, /* LATIN SMALL LETTER X */ - { 0x0079, 0x79 }, /* LATIN SMALL LETTER Y */ - { 0x007A, 0x7A }, /* LATIN SMALL LETTER Z */ - { 0x007B, 0x7B }, /* LEFT CURLY BRACKET */ - { 0x007C, 0x7C }, /* VERTICAL LINE */ - { 0x007D, 0x7D }, /* RIGHT CURLY BRACKET */ - { 0x007E, 0x7E }, /* TILDE */ - { 0x00A0, 0xCA }, /* NO-BREAK SPACE */ - { 0x00A1, 0xC1 }, /* INVERTED EXCLAMATION MARK */ - { 0x00A2, 0xA2 }, /* CENT SIGN */ - { 0x00A3, 0xA3 }, /* POUND SIGN */ - { 0x00A5, 0xB4 }, /* YEN SIGN */ - { 0x00A7, 0xA4 }, /* SECTION SIGN */ - { 0x00A8, 0xAC }, /* DIAERESIS */ - { 0x00A9, 0xA9 }, /* COPYRIGHT SIGN */ - { 0x00AA, 0xBB }, /* FEMININE ORDINAL INDICATOR */ - { 0x00AB, 0xC7 }, /* LEFT-POINTING DOUBLE ANGLE QUOTATION MARK */ - { 0x00AC, 0xC2 }, /* NOT SIGN */ - { 0x00AE, 0xA8 }, /* REGISTERED SIGN */ - { 0x00AF, 0xF8 }, /* MACRON */ - { 0x00B0, 0xA1 }, /* DEGREE SIGN */ - { 0x00B1, 0xB1 }, /* PLUS-MINUS SIGN */ - { 0x00B4, 0xAB }, /* ACUTE ACCENT */ - { 0x00B5, 0xB5 }, /* MICRO SIGN */ - { 0x00B6, 0xA6 }, /* PILCROW SIGN */ - { 0x00B7, 0xE1 }, /* MIDDLE DOT */ - { 0x00B8, 0xFC }, /* CEDILLA */ - { 0x00BA, 0xBC }, /* MASCULINE ORDINAL INDICATOR */ - { 0x00BB, 0xC8 }, /* RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK */ - { 0x00BF, 0xC0 }, /* INVERTED QUESTION MARK */ - { 0x00C0, 0xCB }, /* LATIN CAPITAL LETTER A WITH GRAVE */ - { 0x00C1, 0xE7 }, /* LATIN CAPITAL LETTER A WITH ACUTE */ - { 0x00C2, 0xE5 }, /* LATIN CAPITAL LETTER A WITH CIRCUMFLEX */ - { 0x00C3, 0xCC }, /* LATIN CAPITAL LETTER A WITH TILDE */ - { 0x00C4, 0x80 }, /* LATIN CAPITAL LETTER A WITH DIAERESIS */ - { 0x00C5, 0x81 }, /* LATIN CAPITAL LETTER A WITH RING ABOVE */ - { 0x00C6, 0xAE }, /* LATIN CAPITAL LETTER AE */ - { 0x00C7, 0x82 }, /* LATIN CAPITAL LETTER C WITH CEDILLA */ - { 0x00C8, 0xE9 }, /* LATIN CAPITAL LETTER E WITH GRAVE */ - { 0x00C9, 0x83 }, /* LATIN CAPITAL LETTER E WITH ACUTE */ - { 0x00CA, 0xE6 }, /* LATIN CAPITAL LETTER E WITH CIRCUMFLEX */ - { 0x00CB, 0xE8 }, /* LATIN CAPITAL LETTER E WITH DIAERESIS */ - { 0x00CC, 0xED }, /* LATIN CAPITAL LETTER I WITH GRAVE */ - { 0x00CD, 0xEA }, /* LATIN CAPITAL LETTER I WITH ACUTE */ - { 0x00CE, 0xEB }, /* LATIN CAPITAL LETTER I WITH CIRCUMFLEX */ - { 0x00CF, 0xEC }, /* LATIN CAPITAL LETTER I WITH DIAERESIS */ - { 0x00D1, 0x84 }, /* LATIN CAPITAL LETTER N WITH TILDE */ - { 0x00D2, 0xF1 }, /* LATIN CAPITAL LETTER O WITH GRAVE */ - { 0x00D3, 0xEE }, /* LATIN CAPITAL LETTER O WITH ACUTE */ - { 0x00D4, 0xEF }, /* LATIN CAPITAL LETTER O WITH CIRCUMFLEX */ - { 0x00D5, 0xCD }, /* LATIN CAPITAL LETTER O WITH TILDE */ - { 0x00D6, 0x85 }, /* LATIN CAPITAL LETTER O WITH DIAERESIS */ - { 0x00D8, 0xAF }, /* LATIN CAPITAL LETTER O WITH STROKE */ - { 0x00D9, 0xF4 }, /* LATIN CAPITAL LETTER U WITH GRAVE */ - { 0x00DA, 0xF2 }, /* LATIN CAPITAL LETTER U WITH ACUTE */ - { 0x00DB, 0xF3 }, /* LATIN CAPITAL LETTER U WITH CIRCUMFLEX */ - { 0x00DC, 0x86 }, /* LATIN CAPITAL LETTER U WITH DIAERESIS */ - { 0x00DF, 0xA7 }, /* LATIN SMALL LETTER SHARP S */ - { 0x00E0, 0x88 }, /* LATIN SMALL LETTER A WITH GRAVE */ - { 0x00E1, 0x87 }, /* LATIN SMALL LETTER A WITH ACUTE */ - { 0x00E2, 0x89 }, /* LATIN SMALL LETTER A WITH CIRCUMFLEX */ - { 0x00E3, 0x8B }, /* LATIN SMALL LETTER A WITH TILDE */ - { 0x00E4, 0x8A }, /* LATIN SMALL LETTER A WITH DIAERESIS */ - { 0x00E5, 0x8C }, /* LATIN SMALL LETTER A WITH RING ABOVE */ - { 0x00E6, 0xBE }, /* LATIN SMALL LETTER AE */ - { 0x00E7, 0x8D }, /* LATIN SMALL LETTER C WITH CEDILLA */ - { 0x00E8, 0x8F }, /* LATIN SMALL LETTER E WITH GRAVE */ - { 0x00E9, 0x8E }, /* LATIN SMALL LETTER E WITH ACUTE */ - { 0x00EA, 0x90 }, /* LATIN SMALL LETTER E WITH CIRCUMFLEX */ - { 0x00EB, 0x91 }, /* LATIN SMALL LETTER E WITH DIAERESIS */ - { 0x00EC, 0x93 }, /* LATIN SMALL LETTER I WITH GRAVE */ - { 0x00ED, 0x92 }, /* LATIN SMALL LETTER I WITH ACUTE */ - { 0x00EE, 0x94 }, /* LATIN SMALL LETTER I WITH CIRCUMFLEX */ - { 0x00EF, 0x95 }, /* LATIN SMALL LETTER I WITH DIAERESIS */ - { 0x00F1, 0x96 }, /* LATIN SMALL LETTER N WITH TILDE */ - { 0x00F2, 0x98 }, /* LATIN SMALL LETTER O WITH GRAVE */ - { 0x00F3, 0x97 }, /* LATIN SMALL LETTER O WITH ACUTE */ - { 0x00F4, 0x99 }, /* LATIN SMALL LETTER O WITH CIRCUMFLEX */ - { 0x00F5, 0x9B }, /* LATIN SMALL LETTER O WITH TILDE */ - { 0x00F6, 0x9A }, /* LATIN SMALL LETTER O WITH DIAERESIS */ - { 0x00F7, 0xD6 }, /* DIVISION SIGN */ - { 0x00F8, 0xBF }, /* LATIN SMALL LETTER O WITH STROKE */ - { 0x00F9, 0x9D }, /* LATIN SMALL LETTER U WITH GRAVE */ - { 0x00FA, 0x9C }, /* LATIN SMALL LETTER U WITH ACUTE */ - { 0x00FB, 0x9E }, /* LATIN SMALL LETTER U WITH CIRCUMFLEX */ - { 0x00FC, 0x9F }, /* LATIN SMALL LETTER U WITH DIAERESIS */ - { 0x00FF, 0xD8 }, /* LATIN SMALL LETTER Y WITH DIAERESIS */ - { 0x0131, 0xF5 }, /* LATIN SMALL LETTER DOTLESS I */ - { 0x0152, 0xCE }, /* LATIN CAPITAL LIGATURE OE */ - { 0x0153, 0xCF }, /* LATIN SMALL LIGATURE OE */ - { 0x0178, 0xD9 }, /* LATIN CAPITAL LETTER Y WITH DIAERESIS */ - { 0x0192, 0xC4 }, /* LATIN SMALL LETTER F WITH HOOK */ - { 0x02C6, 0xF6 }, /* MODIFIER LETTER CIRCUMFLEX ACCENT */ - { 0x02C7, 0xFF }, /* CARON */ - { 0x02D8, 0xF9 }, /* BREVE */ - { 0x02D9, 0xFA }, /* DOT ABOVE */ - { 0x02DA, 0xFB }, /* RING ABOVE */ - { 0x02DB, 0xFE }, /* OGONEK */ - { 0x02DC, 0xF7 }, /* SMALL TILDE */ - { 0x02DD, 0xFD }, /* DOUBLE ACUTE ACCENT */ - { 0x03A9, 0xBD }, /* GREEK CAPITAL LETTER OMEGA */ - { 0x03C0, 0xB9 }, /* GREEK SMALL LETTER PI */ - { 0x2013, 0xD0 }, /* EN DASH */ - { 0x2014, 0xD1 }, /* EM DASH */ - { 0x2018, 0xD4 }, /* LEFT SINGLE QUOTATION MARK */ - { 0x2019, 0xD5 }, /* RIGHT SINGLE QUOTATION MARK */ - { 0x201A, 0xE2 }, /* SINGLE LOW-9 QUOTATION MARK */ - { 0x201C, 0xD2 }, /* LEFT DOUBLE QUOTATION MARK */ - { 0x201D, 0xD3 }, /* RIGHT DOUBLE QUOTATION MARK */ - { 0x201E, 0xE3 }, /* DOUBLE LOW-9 QUOTATION MARK */ - { 0x2020, 0xA0 }, /* DAGGER */ - { 0x2021, 0xE0 }, /* DOUBLE DAGGER */ - { 0x2022, 0xA5 }, /* BULLET */ - { 0x2026, 0xC9 }, /* HORIZONTAL ELLIPSIS */ - { 0x2030, 0xE4 }, /* PER MILLE SIGN */ - { 0x2039, 0xDC }, /* SINGLE LEFT-POINTING ANGLE QUOTATION MARK */ - { 0x203A, 0xDD }, /* SINGLE RIGHT-POINTING ANGLE QUOTATION MARK */ - { 0x2044, 0xDA }, /* FRACTION SLASH */ - { 0x20AC, 0xDB }, /* EURO SIGN */ - { 0x2122, 0xAA }, /* TRADE MARK SIGN */ - { 0x2202, 0xB6 }, /* PARTIAL DIFFERENTIAL */ - { 0x2206, 0xC6 }, /* INCREMENT */ - { 0x220F, 0xB8 }, /* N-ARY PRODUCT */ - { 0x2211, 0xB7 }, /* N-ARY SUMMATION */ - { 0x221A, 0xC3 }, /* SQUARE ROOT */ - { 0x221E, 0xB0 }, /* INFINITY */ - { 0x222B, 0xBA }, /* INTEGRAL */ - { 0x2248, 0xC5 }, /* ALMOST EQUAL TO */ - { 0x2260, 0xAD }, /* NOT EQUAL TO */ - { 0x2264, 0xB2 }, /* LESS-THAN OR EQUAL TO */ - { 0x2265, 0xB3 }, /* GREATER-THAN OR EQUAL TO */ - { 0x25CA, 0xD7 }, /* LOZENGE */ - { 0xF8FF, 0xF0 }, /* Apple logo */ - { 0xFB01, 0xDE }, /* LATIN SMALL LIGATURE FI */ - { 0xFB02, 0xDF }, /* LATIN SMALL LIGATURE FL */ +struct _FcCharSetEnt { + FcCharSetEnt *next; + FcChar32 hash; + FcCharSet set; }; -static const FcCharMap AppleRoman = { - AppleRomanEnt, - sizeof (AppleRomanEnt) / sizeof (AppleRomanEnt[0]) -}; +typedef struct _FcCharSetOrigEnt FcCharSetOrigEnt; -static const FcCharEnt AdobeSymbolEnt[] = { - { 0x0020, 0x20 }, /* SPACE # space */ - { 0x0021, 0x21 }, /* EXCLAMATION MARK # exclam */ - { 0x0023, 0x23 }, /* NUMBER SIGN # numbersign */ - { 0x0025, 0x25 }, /* PERCENT SIGN # percent */ - { 0x0026, 0x26 }, /* AMPERSAND # ampersand */ - { 0x0028, 0x28 }, /* LEFT PARENTHESIS # parenleft */ - { 0x0029, 0x29 }, /* RIGHT PARENTHESIS # parenright */ - { 0x002B, 0x2B }, /* PLUS SIGN # plus */ - { 0x002C, 0x2C }, /* COMMA # comma */ - { 0x002E, 0x2E }, /* FULL STOP # period */ - { 0x002F, 0x2F }, /* SOLIDUS # slash */ - { 0x0030, 0x30 }, /* DIGIT ZERO # zero */ - { 0x0031, 0x31 }, /* DIGIT ONE # one */ - { 0x0032, 0x32 }, /* DIGIT TWO # two */ - { 0x0033, 0x33 }, /* DIGIT THREE # three */ - { 0x0034, 0x34 }, /* DIGIT FOUR # four */ - { 0x0035, 0x35 }, /* DIGIT FIVE # five */ - { 0x0036, 0x36 }, /* DIGIT SIX # six */ - { 0x0037, 0x37 }, /* DIGIT SEVEN # seven */ - { 0x0038, 0x38 }, /* DIGIT EIGHT # eight */ - { 0x0039, 0x39 }, /* DIGIT NINE # nine */ - { 0x003A, 0x3A }, /* COLON # colon */ - { 0x003B, 0x3B }, /* SEMICOLON # semicolon */ - { 0x003C, 0x3C }, /* LESS-THAN SIGN # less */ - { 0x003D, 0x3D }, /* EQUALS SIGN # equal */ - { 0x003E, 0x3E }, /* GREATER-THAN SIGN # greater */ - { 0x003F, 0x3F }, /* QUESTION MARK # question */ - { 0x005B, 0x5B }, /* LEFT SQUARE BRACKET # bracketleft */ - { 0x005D, 0x5D }, /* RIGHT SQUARE BRACKET # bracketright */ - { 0x005F, 0x5F }, /* LOW LINE # underscore */ - { 0x007B, 0x7B }, /* LEFT CURLY BRACKET # braceleft */ - { 0x007C, 0x7C }, /* VERTICAL LINE # bar */ - { 0x007D, 0x7D }, /* RIGHT CURLY BRACKET # braceright */ - { 0x00A0, 0x20 }, /* NO-BREAK SPACE # space */ - { 0x00AC, 0xD8 }, /* NOT SIGN # logicalnot */ - { 0x00B0, 0xB0 }, /* DEGREE SIGN # degree */ - { 0x00B1, 0xB1 }, /* PLUS-MINUS SIGN # plusminus */ - { 0x00B5, 0x6D }, /* MICRO SIGN # mu */ - { 0x00D7, 0xB4 }, /* MULTIPLICATION SIGN # multiply */ - { 0x00F7, 0xB8 }, /* DIVISION SIGN # divide */ - { 0x0192, 0xA6 }, /* LATIN SMALL LETTER F WITH HOOK # florin */ - { 0x0391, 0x41 }, /* GREEK CAPITAL LETTER ALPHA # Alpha */ - { 0x0392, 0x42 }, /* GREEK CAPITAL LETTER BETA # Beta */ - { 0x0393, 0x47 }, /* GREEK CAPITAL LETTER GAMMA # Gamma */ - { 0x0394, 0x44 }, /* GREEK CAPITAL LETTER DELTA # Delta */ - { 0x0395, 0x45 }, /* GREEK CAPITAL LETTER EPSILON # Epsilon */ - { 0x0396, 0x5A }, /* GREEK CAPITAL LETTER ZETA # Zeta */ - { 0x0397, 0x48 }, /* GREEK CAPITAL LETTER ETA # Eta */ - { 0x0398, 0x51 }, /* GREEK CAPITAL LETTER THETA # Theta */ - { 0x0399, 0x49 }, /* GREEK CAPITAL LETTER IOTA # Iota */ - { 0x039A, 0x4B }, /* GREEK CAPITAL LETTER KAPPA # Kappa */ - { 0x039B, 0x4C }, /* GREEK CAPITAL LETTER LAMDA # Lambda */ - { 0x039C, 0x4D }, /* GREEK CAPITAL LETTER MU # Mu */ - { 0x039D, 0x4E }, /* GREEK CAPITAL LETTER NU # Nu */ - { 0x039E, 0x58 }, /* GREEK CAPITAL LETTER XI # Xi */ - { 0x039F, 0x4F }, /* GREEK CAPITAL LETTER OMICRON # Omicron */ - { 0x03A0, 0x50 }, /* GREEK CAPITAL LETTER PI # Pi */ - { 0x03A1, 0x52 }, /* GREEK CAPITAL LETTER RHO # Rho */ - { 0x03A3, 0x53 }, /* GREEK CAPITAL LETTER SIGMA # Sigma */ - { 0x03A4, 0x54 }, /* GREEK CAPITAL LETTER TAU # Tau */ - { 0x03A5, 0x55 }, /* GREEK CAPITAL LETTER UPSILON # Upsilon */ - { 0x03A6, 0x46 }, /* GREEK CAPITAL LETTER PHI # Phi */ - { 0x03A7, 0x43 }, /* GREEK CAPITAL LETTER CHI # Chi */ - { 0x03A8, 0x59 }, /* GREEK CAPITAL LETTER PSI # Psi */ - { 0x03A9, 0x57 }, /* GREEK CAPITAL LETTER OMEGA # Omega */ - { 0x03B1, 0x61 }, /* GREEK SMALL LETTER ALPHA # alpha */ - { 0x03B2, 0x62 }, /* GREEK SMALL LETTER BETA # beta */ - { 0x03B3, 0x67 }, /* GREEK SMALL LETTER GAMMA # gamma */ - { 0x03B4, 0x64 }, /* GREEK SMALL LETTER DELTA # delta */ - { 0x03B5, 0x65 }, /* GREEK SMALL LETTER EPSILON # epsilon */ - { 0x03B6, 0x7A }, /* GREEK SMALL LETTER ZETA # zeta */ - { 0x03B7, 0x68 }, /* GREEK SMALL LETTER ETA # eta */ - { 0x03B8, 0x71 }, /* GREEK SMALL LETTER THETA # theta */ - { 0x03B9, 0x69 }, /* GREEK SMALL LETTER IOTA # iota */ - { 0x03BA, 0x6B }, /* GREEK SMALL LETTER KAPPA # kappa */ - { 0x03BB, 0x6C }, /* GREEK SMALL LETTER LAMDA # lambda */ - { 0x03BC, 0x6D }, /* GREEK SMALL LETTER MU # mu */ - { 0x03BD, 0x6E }, /* GREEK SMALL LETTER NU # nu */ - { 0x03BE, 0x78 }, /* GREEK SMALL LETTER XI # xi */ - { 0x03BF, 0x6F }, /* GREEK SMALL LETTER OMICRON # omicron */ - { 0x03C0, 0x70 }, /* GREEK SMALL LETTER PI # pi */ - { 0x03C1, 0x72 }, /* GREEK SMALL LETTER RHO # rho */ - { 0x03C2, 0x56 }, /* GREEK SMALL LETTER FINAL SIGMA # sigma1 */ - { 0x03C3, 0x73 }, /* GREEK SMALL LETTER SIGMA # sigma */ - { 0x03C4, 0x74 }, /* GREEK SMALL LETTER TAU # tau */ - { 0x03C5, 0x75 }, /* GREEK SMALL LETTER UPSILON # upsilon */ - { 0x03C6, 0x66 }, /* GREEK SMALL LETTER PHI # phi */ - { 0x03C7, 0x63 }, /* GREEK SMALL LETTER CHI # chi */ - { 0x03C8, 0x79 }, /* GREEK SMALL LETTER PSI # psi */ - { 0x03C9, 0x77 }, /* GREEK SMALL LETTER OMEGA # omega */ - { 0x03D1, 0x4A }, /* GREEK THETA SYMBOL # theta1 */ - { 0x03D2, 0xA1 }, /* GREEK UPSILON WITH HOOK SYMBOL # Upsilon1 */ - { 0x03D5, 0x6A }, /* GREEK PHI SYMBOL # phi1 */ - { 0x03D6, 0x76 }, /* GREEK PI SYMBOL # omega1 */ - { 0x2022, 0xB7 }, /* BULLET # bullet */ - { 0x2026, 0xBC }, /* HORIZONTAL ELLIPSIS # ellipsis */ - { 0x2032, 0xA2 }, /* PRIME # minute */ - { 0x2033, 0xB2 }, /* DOUBLE PRIME # second */ - { 0x2044, 0xA4 }, /* FRACTION SLASH # fraction */ - { 0x20AC, 0xA0 }, /* EURO SIGN # Euro */ - { 0x2111, 0xC1 }, /* BLACK-LETTER CAPITAL I # Ifraktur */ - { 0x2118, 0xC3 }, /* SCRIPT CAPITAL P # weierstrass */ - { 0x211C, 0xC2 }, /* BLACK-LETTER CAPITAL R # Rfraktur */ - { 0x2126, 0x57 }, /* OHM SIGN # Omega */ - { 0x2135, 0xC0 }, /* ALEF SYMBOL # aleph */ - { 0x2190, 0xAC }, /* LEFTWARDS ARROW # arrowleft */ - { 0x2191, 0xAD }, /* UPWARDS ARROW # arrowup */ - { 0x2192, 0xAE }, /* RIGHTWARDS ARROW # arrowright */ - { 0x2193, 0xAF }, /* DOWNWARDS ARROW # arrowdown */ - { 0x2194, 0xAB }, /* LEFT RIGHT ARROW # arrowboth */ - { 0x21B5, 0xBF }, /* DOWNWARDS ARROW WITH CORNER LEFTWARDS # carriagereturn */ - { 0x21D0, 0xDC }, /* LEFTWARDS DOUBLE ARROW # arrowdblleft */ - { 0x21D1, 0xDD }, /* UPWARDS DOUBLE ARROW # arrowdblup */ - { 0x21D2, 0xDE }, /* RIGHTWARDS DOUBLE ARROW # arrowdblright */ - { 0x21D3, 0xDF }, /* DOWNWARDS DOUBLE ARROW # arrowdbldown */ - { 0x21D4, 0xDB }, /* LEFT RIGHT DOUBLE ARROW # arrowdblboth */ - { 0x2200, 0x22 }, /* FOR ALL # universal */ - { 0x2202, 0xB6 }, /* PARTIAL DIFFERENTIAL # partialdiff */ - { 0x2203, 0x24 }, /* THERE EXISTS # existential */ - { 0x2205, 0xC6 }, /* EMPTY SET # emptyset */ - { 0x2206, 0x44 }, /* INCREMENT # Delta */ - { 0x2207, 0xD1 }, /* NABLA # gradient */ - { 0x2208, 0xCE }, /* ELEMENT OF # element */ - { 0x2209, 0xCF }, /* NOT AN ELEMENT OF # notelement */ - { 0x220B, 0x27 }, /* CONTAINS AS MEMBER # suchthat */ - { 0x220F, 0xD5 }, /* N-ARY PRODUCT # product */ - { 0x2211, 0xE5 }, /* N-ARY SUMMATION # summation */ - { 0x2212, 0x2D }, /* MINUS SIGN # minus */ - { 0x2215, 0xA4 }, /* DIVISION SLASH # fraction */ - { 0x2217, 0x2A }, /* ASTERISK OPERATOR # asteriskmath */ - { 0x221A, 0xD6 }, /* SQUARE ROOT # radical */ - { 0x221D, 0xB5 }, /* PROPORTIONAL TO # proportional */ - { 0x221E, 0xA5 }, /* INFINITY # infinity */ - { 0x2220, 0xD0 }, /* ANGLE # angle */ - { 0x2227, 0xD9 }, /* LOGICAL AND # logicaland */ - { 0x2228, 0xDA }, /* LOGICAL OR # logicalor */ - { 0x2229, 0xC7 }, /* INTERSECTION # intersection */ - { 0x222A, 0xC8 }, /* UNION # union */ - { 0x222B, 0xF2 }, /* INTEGRAL # integral */ - { 0x2234, 0x5C }, /* THEREFORE # therefore */ - { 0x223C, 0x7E }, /* TILDE OPERATOR # similar */ - { 0x2245, 0x40 }, /* APPROXIMATELY EQUAL TO # congruent */ - { 0x2248, 0xBB }, /* ALMOST EQUAL TO # approxequal */ - { 0x2260, 0xB9 }, /* NOT EQUAL TO # notequal */ - { 0x2261, 0xBA }, /* IDENTICAL TO # equivalence */ - { 0x2264, 0xA3 }, /* LESS-THAN OR EQUAL TO # lessequal */ - { 0x2265, 0xB3 }, /* GREATER-THAN OR EQUAL TO # greaterequal */ - { 0x2282, 0xCC }, /* SUBSET OF # propersubset */ - { 0x2283, 0xC9 }, /* SUPERSET OF # propersuperset */ - { 0x2284, 0xCB }, /* NOT A SUBSET OF # notsubset */ - { 0x2286, 0xCD }, /* SUBSET OF OR EQUAL TO # reflexsubset */ - { 0x2287, 0xCA }, /* SUPERSET OF OR EQUAL TO # reflexsuperset */ - { 0x2295, 0xC5 }, /* CIRCLED PLUS # circleplus */ - { 0x2297, 0xC4 }, /* CIRCLED TIMES # circlemultiply */ - { 0x22A5, 0x5E }, /* UP TACK # perpendicular */ - { 0x22C5, 0xD7 }, /* DOT OPERATOR # dotmath */ - { 0x2320, 0xF3 }, /* TOP HALF INTEGRAL # integraltp */ - { 0x2321, 0xF5 }, /* BOTTOM HALF INTEGRAL # integralbt */ - { 0x2329, 0xE1 }, /* LEFT-POINTING ANGLE BRACKET # angleleft */ - { 0x232A, 0xF1 }, /* RIGHT-POINTING ANGLE BRACKET # angleright */ - { 0x25CA, 0xE0 }, /* LOZENGE # lozenge */ - { 0x2660, 0xAA }, /* BLACK SPADE SUIT # spade */ - { 0x2663, 0xA7 }, /* BLACK CLUB SUIT # club */ - { 0x2665, 0xA9 }, /* BLACK HEART SUIT # heart */ - { 0x2666, 0xA8 }, /* BLACK DIAMOND SUIT # diamond */ - { 0xF6D9, 0xD3 }, /* COPYRIGHT SIGN SERIF # copyrightserif (CUS) */ - { 0xF6DA, 0xD2 }, /* REGISTERED SIGN SERIF # registerserif (CUS) */ - { 0xF6DB, 0xD4 }, /* TRADE MARK SIGN SERIF # trademarkserif (CUS) */ - { 0xF8E5, 0x60 }, /* RADICAL EXTENDER # radicalex (CUS) */ - { 0xF8E6, 0xBD }, /* VERTICAL ARROW EXTENDER # arrowvertex (CUS) */ - { 0xF8E7, 0xBE }, /* HORIZONTAL ARROW EXTENDER # arrowhorizex (CUS) */ - { 0xF8E8, 0xE2 }, /* REGISTERED SIGN SANS SERIF # registersans (CUS) */ - { 0xF8E9, 0xE3 }, /* COPYRIGHT SIGN SANS SERIF # copyrightsans (CUS) */ - { 0xF8EA, 0xE4 }, /* TRADE MARK SIGN SANS SERIF # trademarksans (CUS) */ - { 0xF8EB, 0xE6 }, /* LEFT PAREN TOP # parenlefttp (CUS) */ - { 0xF8EC, 0xE7 }, /* LEFT PAREN EXTENDER # parenleftex (CUS) */ - { 0xF8ED, 0xE8 }, /* LEFT PAREN BOTTOM # parenleftbt (CUS) */ - { 0xF8EE, 0xE9 }, /* LEFT SQUARE BRACKET TOP # bracketlefttp (CUS) */ - { 0xF8EF, 0xEA }, /* LEFT SQUARE BRACKET EXTENDER # bracketleftex (CUS) */ - { 0xF8F0, 0xEB }, /* LEFT SQUARE BRACKET BOTTOM # bracketleftbt (CUS) */ - { 0xF8F1, 0xEC }, /* LEFT CURLY BRACKET TOP # bracelefttp (CUS) */ - { 0xF8F2, 0xED }, /* LEFT CURLY BRACKET MID # braceleftmid (CUS) */ - { 0xF8F3, 0xEE }, /* LEFT CURLY BRACKET BOTTOM # braceleftbt (CUS) */ - { 0xF8F4, 0xEF }, /* CURLY BRACKET EXTENDER # braceex (CUS) */ - { 0xF8F5, 0xF4 }, /* INTEGRAL EXTENDER # integralex (CUS) */ - { 0xF8F6, 0xF6 }, /* RIGHT PAREN TOP # parenrighttp (CUS) */ - { 0xF8F7, 0xF7 }, /* RIGHT PAREN EXTENDER # parenrightex (CUS) */ - { 0xF8F8, 0xF8 }, /* RIGHT PAREN BOTTOM # parenrightbt (CUS) */ - { 0xF8F9, 0xF9 }, /* RIGHT SQUARE BRACKET TOP # bracketrighttp (CUS) */ - { 0xF8FA, 0xFA }, /* RIGHT SQUARE BRACKET EXTENDER # bracketrightex (CUS) */ - { 0xF8FB, 0xFB }, /* RIGHT SQUARE BRACKET BOTTOM # bracketrightbt (CUS) */ - { 0xF8FC, 0xFC }, /* RIGHT CURLY BRACKET TOP # bracerighttp (CUS) */ - { 0xF8FD, 0xFD }, /* RIGHT CURLY BRACKET MID # bracerightmid (CUS) */ - { 0xF8FE, 0xFE }, /* RIGHT CURLY BRACKET BOTTOM # bracerightbt (CUS) */ +struct _FcCharSetOrigEnt { + FcCharSetOrigEnt *next; + const FcCharSet *orig; + const FcCharSet *frozen; }; -static const FcCharMap AdobeSymbol = { - AdobeSymbolEnt, - sizeof (AdobeSymbolEnt) / sizeof (AdobeSymbolEnt[0]), -}; - -static const FcFontDecode fcFontDecoders[] = { - { ft_encoding_unicode, 0, (1 << 21) - 1 }, - { ft_encoding_symbol, &AdobeSymbol, (1 << 16) - 1 }, - { ft_encoding_apple_roman, &AppleRoman, (1 << 16) - 1 }, +#define FC_CHAR_SET_HASH_SIZE 67 + +struct _FcCharSetFreezer { + FcCharLeafEnt *leaf_hash_table[FC_CHAR_LEAF_HASH_SIZE]; + FcCharLeafEnt **leaf_blocks; + int leaf_block_count; + FcCharSetEnt *set_hash_table[FC_CHAR_SET_HASH_SIZE]; + FcCharSetOrigEnt *orig_hash_table[FC_CHAR_SET_HASH_SIZE]; + FcCharLeafEnt *current_block; + int leaf_remain; + int leaves_seen; + int charsets_seen; + int leaves_allocated; + int charsets_allocated; }; -#define NUM_DECODE (sizeof (fcFontDecoders) / sizeof (fcFontDecoders[0])) - -static FT_ULong -FcFreeTypeMapChar (FcChar32 ucs4, const FcCharMap *map) +static FcCharLeafEnt * +FcCharLeafEntCreate (FcCharSetFreezer *freezer) { - int low, high, mid; - FcChar16 bmp; - - low = 0; - high = map->nent - 1; - if (ucs4 < map->ent[low].bmp || map->ent[high].bmp < ucs4) - return ~0; - while (high - low > 1) + if (!freezer->leaf_remain) { - mid = (high + low) >> 1; - bmp = map->ent[mid].bmp; - if (ucs4 == bmp) - return (FT_ULong) map->ent[mid].encode; - if (ucs4 < bmp) - high = mid; - else - low = mid; - } - for (mid = low; mid <= high; mid++) - { - if (ucs4 == map->ent[mid].bmp) - return (FT_ULong) map->ent[mid].encode; + FcCharLeafEnt **newBlocks; + + freezer->leaf_block_count++; + newBlocks = realloc (freezer->leaf_blocks, freezer->leaf_block_count * sizeof (FcCharLeafEnt *)); + if (!newBlocks) + return 0; + freezer->leaf_blocks = newBlocks; + freezer->current_block = freezer->leaf_blocks[freezer->leaf_block_count-1] = malloc (FC_CHAR_LEAF_BLOCK * sizeof (FcCharLeafEnt)); + if (!freezer->current_block) + return 0; + FcMemAlloc (FC_MEM_CHARLEAF, FC_CHAR_LEAF_BLOCK * sizeof (FcCharLeafEnt)); + freezer->leaf_remain = FC_CHAR_LEAF_BLOCK; } - return ~0; + freezer->leaf_remain--; + freezer->leaves_allocated++; + return freezer->current_block++; } -/* - * Map a UCS4 glyph to a glyph index. Use all available encoding - * tables to try and find one that works. This information is expected - * to be cached by higher levels, so performance isn't critical - */ +static FcChar32 +FcCharLeafHash (FcCharLeaf *leaf) +{ + FcChar32 hash = 0; + int i; + + for (i = 0; i < 256/32; i++) + hash = ((hash << 1) | (hash >> 31)) ^ leaf->map[i]; + return hash; +} -FT_UInt -FcFreeTypeCharIndex (FT_Face face, FcChar32 ucs4) +static FcCharLeaf * +FcCharSetFreezeLeaf (FcCharSetFreezer *freezer, FcCharLeaf *leaf) { - int initial, offset, decode; - FT_UInt glyphindex; - FT_ULong charcode; + FcChar32 hash = FcCharLeafHash (leaf); + FcCharLeafEnt **bucket = &freezer->leaf_hash_table[hash % FC_CHAR_LEAF_HASH_SIZE]; + FcCharLeafEnt *ent; - initial = 0; - /* - * Find the current encoding - */ - if (face->charmap) + for (ent = *bucket; ent; ent = ent->next) { - for (; initial < NUM_DECODE; initial++) - if (fcFontDecoders[initial].encoding == face->charmap->encoding) - break; - if (initial == NUM_DECODE) - initial = 0; + if (ent->hash == hash && !memcmp (&ent->leaf, leaf, sizeof (FcCharLeaf))) + return &ent->leaf; } - /* - * Check each encoding for the glyph, starting with the current one - */ - for (offset = 0; offset < NUM_DECODE; offset++) + + ent = FcCharLeafEntCreate(freezer); + if (!ent) + return 0; + ent->leaf = *leaf; + ent->hash = hash; + ent->next = *bucket; + *bucket = ent; + return &ent->leaf; +} + +static FcChar32 +FcCharSetHash (FcCharSet *fcs) +{ + FcChar32 hash = 0; + int i; + + /* hash in leaves */ + for (i = 0; i < fcs->num; i++) + hash = ((hash << 1) | (hash >> 31)) ^ FcCharLeafHash (FcCharSetLeaf(fcs,i)); + /* hash in numbers */ + for (i = 0; i < fcs->num; i++) + hash = ((hash << 1) | (hash >> 31)) ^ *FcCharSetNumbers(fcs); + return hash; +} + +static FcBool +FcCharSetFreezeOrig (FcCharSetFreezer *freezer, const FcCharSet *orig, const FcCharSet *frozen) +{ + FcCharSetOrigEnt **bucket = &freezer->orig_hash_table[((uintptr_t) orig) & FC_CHAR_SET_HASH_SIZE]; + FcCharSetOrigEnt *ent; + + ent = malloc (sizeof (FcCharSetOrigEnt)); + if (!ent) + return FcFalse; + ent->orig = orig; + ent->frozen = frozen; + ent->next = *bucket; + *bucket = ent; + return FcTrue; +} + +static FcCharSet * +FcCharSetFreezeBase (FcCharSetFreezer *freezer, FcCharSet *fcs, const FcCharSet *orig) +{ + FcChar32 hash = FcCharSetHash (fcs); + FcCharSetEnt **bucket = &freezer->set_hash_table[hash % FC_CHAR_SET_HASH_SIZE]; + FcCharSetEnt *ent; + int size; + int i; + + for (ent = *bucket; ent; ent = ent->next) { - decode = (initial + offset) % NUM_DECODE; - if (!face->charmap || face->charmap->encoding != fcFontDecoders[decode].encoding) - if (FT_Select_Charmap (face, fcFontDecoders[decode].encoding) != 0) - continue; - if (fcFontDecoders[decode].map) + if (ent->hash == hash && + ent->set.num == fcs->num && + !memcmp (FcCharSetNumbers(&ent->set), + FcCharSetNumbers(fcs), + fcs->num * sizeof (FcChar16))) { - charcode = FcFreeTypeMapChar (ucs4, fcFontDecoders[decode].map); - if (charcode == ~0) - continue; + FcBool ok = FcTrue; + int i; + + for (i = 0; i < fcs->num; i++) + if (FcCharSetLeaf(&ent->set, i) != FcCharSetLeaf(fcs, i)) + ok = FcFalse; + if (ok) + return &ent->set; } - else - charcode = (FT_ULong) ucs4; - glyphindex = FT_Get_Char_Index (face, charcode); - if (glyphindex) - return glyphindex; } - return 0; + + size = (sizeof (FcCharSetEnt) + + fcs->num * sizeof (FcCharLeaf *) + + fcs->num * sizeof (FcChar16)); + ent = malloc (size); + if (!ent) + return 0; + FcMemAlloc (FC_MEM_CHARSET, size); + + freezer->charsets_allocated++; + + ent->set.ref = FC_REF_CONSTANT; + ent->set.num = fcs->num; + if (fcs->num) + { + intptr_t *ent_leaves; + + ent->set.leaves_offset = sizeof (ent->set); + ent->set.numbers_offset = (ent->set.leaves_offset + + fcs->num * sizeof (intptr_t)); + + ent_leaves = FcCharSetLeaves (&ent->set); + for (i = 0; i < fcs->num; i++) + ent_leaves[i] = FcPtrToOffset (ent_leaves, + FcCharSetLeaf (fcs, i)); + memcpy (FcCharSetNumbers (&ent->set), + FcCharSetNumbers (fcs), + fcs->num * sizeof (FcChar16)); + } + else + { + ent->set.leaves_offset = 0; + ent->set.numbers_offset = 0; + } + + ent->hash = hash; + ent->next = *bucket; + *bucket = ent; + + return &ent->set; } -static FcBool -FcFreeTypeCheckGlyph (FT_Face face, FcChar32 ucs4, - FT_UInt glyph, FcBlanks *blanks) +static const FcCharSet * +FcCharSetFindFrozen (FcCharSetFreezer *freezer, const FcCharSet *orig) { - FT_Int load_flags = FT_LOAD_NO_SCALE | FT_LOAD_NO_HINTING; - FT_GlyphSlot slot; - - /* - * When using scalable fonts, only report those glyphs - * which can be scaled; otherwise those fonts will - * only be available at some sizes, and never when - * transformed. Avoid this by simply reporting bitmap-only - * glyphs as missing - */ - if (face->face_flags & FT_FACE_FLAG_SCALABLE) - load_flags |= FT_LOAD_NO_BITMAP; - - if (FT_Load_Glyph (face, glyph, load_flags)) - return FcFalse; - - slot = face->glyph; - if (!glyph) - return FcFalse; - - switch (slot->format) { - case ft_glyph_format_bitmap: - /* - * Bitmaps are assumed to be reasonable; if - * this proves to be a rash assumption, this - * code can be easily modified - */ - return FcTrue; - case ft_glyph_format_outline: - /* - * Glyphs with contours are always OK - */ - if (slot->outline.n_contours != 0) - return FcTrue; - /* - * Glyphs with no contours are only OK if - * they're members of the Blanks set specified - * in the configuration. If blanks isn't set, - * then allow any glyph to be blank - */ - if (!blanks || FcBlanksIsMember (blanks, ucs4)) - return FcTrue; - /* fall through ... */ - default: - break; - } - return FcFalse; + FcCharSetOrigEnt **bucket = &freezer->orig_hash_table[((uintptr_t) orig) & FC_CHAR_SET_HASH_SIZE]; + FcCharSetOrigEnt *ent; + + for (ent = *bucket; ent; ent = ent->next) + if (ent->orig == orig) + return ent->frozen; + return NULL; } -FcCharSet * -FcFreeTypeCharSet (FT_Face face, FcBlanks *blanks) +const FcCharSet * +FcCharSetFreeze (FcCharSetFreezer *freezer, const FcCharSet *fcs) { - FcChar32 page, off, max, ucs4; -#ifdef CHECK - FcChar32 font_max = 0; -#endif - FcCharSet *fcs; - FcCharLeaf *leaf; - const FcCharMap *map; - int o; + FcCharSet *b; + const FcCharSet *n = 0; + FcCharLeaf *l; int i; - FT_UInt glyph; - fcs = FcCharSetCreate (); - if (!fcs) + b = FcCharSetCreate (); + if (!b) goto bail0; - - for (o = 0; o < NUM_DECODE; o++) + for (i = 0; i < fcs->num; i++) + { + l = FcCharSetFreezeLeaf (freezer, FcCharSetLeaf(fcs, i)); + if (!l) + goto bail1; + if (!FcCharSetInsertLeaf (b, FcCharSetNumbers(fcs)[i] << 8, l)) + goto bail1; + } + n = FcCharSetFreezeBase (freezer, b, fcs); + if (!FcCharSetFreezeOrig (freezer, fcs, n)) + { + n = NULL; + goto bail1; + } + freezer->charsets_seen++; + freezer->leaves_seen += fcs->num; +bail1: + if (b->num) + { + FcMemFree (FC_MEM_CHARSET, b->num * sizeof (FcCharLeaf *)); + free (FcCharSetLeaves (b)); + } + if (b->num) + { + FcMemFree (FC_MEM_CHARSET, b->num * sizeof (FcChar16)); + free (FcCharSetNumbers (b)); + } + FcMemFree (FC_MEM_CHARSET, sizeof (FcCharSet)); + free (b); +bail0: + return n; +} + +FcCharSetFreezer * +FcCharSetFreezerCreate (void) +{ + FcCharSetFreezer *freezer; + + freezer = calloc (1, sizeof (FcCharSetFreezer)); + return freezer; +} + +void +FcCharSetFreezerDestroy (FcCharSetFreezer *freezer) +{ + int i; + + if (FcDebug() & FC_DBG_CACHE) { - if (FT_Select_Charmap (face, fcFontDecoders[o].encoding) != 0) - continue; - map = fcFontDecoders[o].map; - if (map) + printf ("\ncharsets %d -> %d leaves %d -> %d\n", + freezer->charsets_seen, freezer->charsets_allocated, + freezer->leaves_seen, freezer->leaves_allocated); + } + for (i = 0; i < FC_CHAR_SET_HASH_SIZE; i++) + { + FcCharSetEnt *ent, *next; + for (ent = freezer->set_hash_table[i]; ent; ent = next) { - /* - * Non-Unicode tables are easy; there's a list of all possible - * characters - */ - for (i = 0; i < map->nent; i++) - { - ucs4 = map->ent[i].bmp; - glyph = FT_Get_Char_Index (face, map->ent[i].encode); - if (glyph && FcFreeTypeCheckGlyph (face, ucs4, glyph, blanks)) - { - leaf = FcCharSetFindLeafCreate (fcs, ucs4); - if (!leaf) - goto bail1; - leaf->map[(ucs4 & 0xff) >> 5] |= (1 << (ucs4 & 0x1f)); -#ifdef CHECK - if (ucs4 > font_max) - font_max = ucs4; -#endif - } - } + next = ent->next; + FcMemFree (FC_MEM_CHARSET, (sizeof (FcCharSetEnt) + + ent->set.num * sizeof (FcCharLeaf *) + + ent->set.num * sizeof (FcChar16))); + free (ent); } - else + } + + for (i = 0; i < FC_CHAR_SET_HASH_SIZE; i++) + { + FcCharSetOrigEnt *ent, *next; + for (ent = freezer->orig_hash_table[i]; ent; ent = next) { - max = fcFontDecoders[o].max; - - /* - * Find the first encoded character in the font - */ - ucs4 = 0; - if (FT_Get_Char_Index (face, 0)) - ucs4 = 0; - else - ucs4 = FT_Get_Next_Char (face, 0); + next = ent->next; + free (ent); + } + } - for (;;) - { - page = ucs4 >> 8; - leaf = 0; - while ((ucs4 >> 8) == page) - { - glyph = FT_Get_Char_Index (face, ucs4); - if (glyph && FcFreeTypeCheckGlyph (face, ucs4, - glyph, blanks)) - { - if (!leaf) - { - leaf = FcCharSetFindLeafCreate (fcs, ucs4); - if (!leaf) - goto bail1; - } - off = ucs4 & 0xff; - leaf->map[off >> 5] |= (1 << (off & 0x1f)); -#ifdef CHECK - if (ucs4 > font_max) - font_max = ucs4; -#endif - } - ucs4++; - } - ucs4 = FT_Get_Next_Char (face, ucs4 - 1); - if (!ucs4) - break; - } -#ifdef CHECK - for (ucs4 = 0; ucs4 < 0x10000; ucs4++) - { - FcBool FT_Has, FC_Has; + for (i = 0; i < freezer->leaf_block_count; i++) + { + free (freezer->leaf_blocks[i]); + FcMemFree (FC_MEM_CHARLEAF, FC_CHAR_LEAF_BLOCK * sizeof (FcCharLeafEnt)); + } - FT_Has = FT_Get_Char_Index (face, ucs4) != 0; - FC_Has = FcCharSetHasChar (fcs, ucs4); - if (FT_Has != FC_Has) - { - printf ("0x%08x FT says %d FC says %d\n", ucs4, FT_Has, FC_Has); - } - } -#endif + free (freezer->leaf_blocks); + free (freezer); +} + +FcBool +FcCharSetSerializeAlloc (FcSerialize *serialize, const FcCharSet *cs) +{ + intptr_t *leaves; + FcChar16 *numbers; + int i; + + if (cs->ref != FC_REF_CONSTANT) + { + if (!serialize->cs_freezer) + { + serialize->cs_freezer = FcCharSetFreezerCreate (); + if (!serialize->cs_freezer) + return FcFalse; } + if (FcCharSetFindFrozen (serialize->cs_freezer, cs)) + return FcTrue; + + cs = FcCharSetFreeze (serialize->cs_freezer, cs); } -#ifdef CHECK - printf ("%d glyphs %d encoded\n", (int) face->num_glyphs, FcCharSetCount (fcs)); - for (ucs4 = 0; ucs4 <= font_max; ucs4++) + + leaves = FcCharSetLeaves (cs); + numbers = FcCharSetNumbers (cs); + + if (!FcSerializeAlloc (serialize, cs, sizeof (FcCharSet))) + return FcFalse; + if (!FcSerializeAlloc (serialize, leaves, cs->num * sizeof (intptr_t))) + return FcFalse; + if (!FcSerializeAlloc (serialize, numbers, cs->num * sizeof (FcChar16))) + return FcFalse; + for (i = 0; i < cs->num; i++) + if (!FcSerializeAlloc (serialize, FcCharSetLeaf(cs, i), + sizeof (FcCharLeaf))) + return FcFalse; + return FcTrue; +} + +FcCharSet * +FcCharSetSerialize(FcSerialize *serialize, const FcCharSet *cs) +{ + FcCharSet *cs_serialized; + intptr_t *leaves, *leaves_serialized; + FcChar16 *numbers, *numbers_serialized; + FcCharLeaf *leaf, *leaf_serialized; + int i; + + if (cs->ref != FC_REF_CONSTANT && serialize->cs_freezer) + { + cs = FcCharSetFindFrozen (serialize->cs_freezer, cs); + if (!cs) + return NULL; + } + + cs_serialized = FcSerializePtr (serialize, cs); + if (!cs_serialized) + return NULL; + + cs_serialized->ref = FC_REF_CONSTANT; + cs_serialized->num = cs->num; + + if (cs->num) { - FcBool has_char = FcFreeTypeCharIndex (face, ucs4) != 0; - FcBool has_bit = FcCharSetHasChar (fcs, ucs4); + leaves = FcCharSetLeaves (cs); + leaves_serialized = FcSerializePtr (serialize, leaves); + if (!leaves_serialized) + return NULL; + + cs_serialized->leaves_offset = FcPtrToOffset (cs_serialized, + leaves_serialized); + + numbers = FcCharSetNumbers (cs); + numbers_serialized = FcSerializePtr (serialize, numbers); + if (!numbers) + return NULL; + + cs_serialized->numbers_offset = FcPtrToOffset (cs_serialized, + numbers_serialized); - if (has_char && !has_bit) - printf ("Bitmap missing char 0x%x\n", ucs4); - else if (!has_char && has_bit) - printf ("Bitmap extra char 0x%x\n", ucs4); + for (i = 0; i < cs->num; i++) + { + leaf = FcCharSetLeaf (cs, i); + leaf_serialized = FcSerializePtr (serialize, leaf); + if (!leaf_serialized) + return NULL; + *leaf_serialized = *leaf; + leaves_serialized[i] = FcPtrToOffset (leaves_serialized, + leaf_serialized); + numbers_serialized[i] = numbers[i]; + } + } + else + { + cs_serialized->leaves_offset = 0; + cs_serialized->numbers_offset = 0; } -#endif - return fcs; -bail1: - FcCharSetDestroy (fcs); -bail0: - return 0; -} + return cs_serialized; +} +#define __fccharset__ +#include "fcaliastail.h" +#undef __fccharset__