diff options
Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-post-table.hh')
-rw-r--r-- | Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-post-table.hh | 173 |
1 files changed, 172 insertions, 1 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-post-table.hh b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-post-table.hh index 82ab3882a80..3eae7f7f101 100644 --- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-post-table.hh +++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-post-table.hh @@ -29,6 +29,48 @@ #include "hb-open-type-private.hh" +#define NUM_FORMAT1_NAMES 258 + +static const char* const format1_names[NUM_FORMAT1_NAMES] = +{ + ".notdef", ".null", "nonmarkingreturn", "space", "exclam", "quotedbl", + "numbersign", "dollar", "percent", "ampersand", "quotesingle", "parenleft", + "parenright", "asterisk", "plus", "comma", "hyphen", "period", "slash", + "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", + "nine", "colon", "semicolon", "less", "equal", "greater", "question", "at", + "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", + "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "bracketleft", + "backslash", "bracketright", "asciicircum", "underscore", "grave", "a", "b", + "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", + "r", "s", "t", "u", "v", "w", "x", "y", "z", "braceleft", "bar", + "braceright", "asciitilde", "Adieresis", "Aring", "Ccedilla", "Eacute", + "Ntilde", "Odieresis", "Udieresis", "aacute", "agrave", "acircumflex", + "adieresis", "atilde", "aring", "ccedilla", "eacute", "egrave", + "ecircumflex", "edieresis", "iacute", "igrave", "icircumflex", "idieresis", + "ntilde", "oacute", "ograve", "ocircumflex", "odieresis", "otilde", "uacute", + "ugrave", "ucircumflex", "udieresis", "dagger", "degree", "cent", "sterling", + "section", "bullet", "paragraph", "germandbls", "registered", "copyright", + "trademark", "acute", "dieresis", "notequal", "AE", "Oslash", "infinity", + "plusminus", "lessequal", "greaterequal", "yen", "mu", "partialdiff", + "summation", "product", "pi", "integral", "ordfeminine", "ordmasculine", + "Omega", "ae", "oslash", "questiondown", "exclamdown", "logicalnot", + "radical", "florin", "approxequal", "Delta", "guillemotleft", + "guillemotright", "ellipsis", "nonbreakingspace", "Agrave", "Atilde", + "Otilde", "OE", "oe", "endash", "emdash", "quotedblleft", "quotedblright", + "quoteleft", "quoteright", "divide", "lozenge", "ydieresis", "Ydieresis", + "fraction", "currency", "guilsinglleft", "guilsinglright", "fi", "fl", + "daggerdbl", "periodcentered", "quotesinglbase", "quotedblbase", + "perthousand", "Acircumflex", "Ecircumflex", "Aacute", "Edieresis", "Egrave", + "Iacute", "Icircumflex", "Idieresis", "Igrave", "Oacute", "Ocircumflex", + "apple", "Ograve", "Uacute", "Ucircumflex", "Ugrave", "dotlessi", + "circumflex", "tilde", "macron", "breve", "dotaccent", "ring", "cedilla", + "hungarumlaut", "ogonek", "caron", "Lslash", "lslash", "Scaron", "scaron", + "Zcaron", "zcaron", "brokenbar", "Eth", "eth", "Yacute", "yacute", "Thorn", + "thorn", "minus", "multiply", "onesuperior", "twosuperior", "threesuperior", + "onehalf", "onequarter", "threequarters", "franc", "Gbreve", "gbreve", + "Idotaccent", "Scedilla", "scedilla", "Cacute", "cacute", "Ccaron", "ccaron", + "dcroat", +}; namespace OT { @@ -71,12 +113,141 @@ struct post return_trace (false); if (version.to_int () == 0x00020000) { - const postV2Tail &v2 = StructAfter<postV2Tail>(*this); + const postV2Tail &v2 = StructAfter<postV2Tail> (*this); return_trace (v2.sanitize (c)); } return_trace (true); } + inline bool get_glyph_name (hb_codepoint_t glyph, + char *buffer, unsigned int buffer_length, + unsigned int blob_len) const + { + if (version.to_int () == 0x00010000) + { + if (glyph >= NUM_FORMAT1_NAMES) + return false; + + if (!buffer_length) + return true; + strncpy (buffer, format1_names[glyph], buffer_length); + buffer[buffer_length - 1] = '\0'; + return true; + } + + if (version.to_int () == 0x00020000) + { + const postV2Tail &v2 = StructAfter<postV2Tail> (*this); + + if (glyph >= v2.numberOfGlyphs) + return false; + + if (!buffer_length) + return true; + + unsigned int index = v2.glyphNameIndex[glyph]; + if (index < NUM_FORMAT1_NAMES) + { + if (!buffer_length) + return true; + strncpy (buffer, format1_names[index], buffer_length); + buffer[buffer_length - 1] = '\0'; + return true; + } + index -= NUM_FORMAT1_NAMES; + + unsigned int offset = min_size + v2.min_size + 2 * v2.numberOfGlyphs; + unsigned char *data = (unsigned char *) this + offset; + unsigned char *end = (unsigned char *) this + blob_len; + for (unsigned int i = 0; data < end; i++) + { + unsigned int name_length = data[0]; + data++; + if (i == index) + { + if (unlikely (!name_length)) + return false; + + unsigned int remaining = end - data; + name_length = MIN (name_length, buffer_length - 1); + name_length = MIN (name_length, remaining); + memcpy (buffer, data, name_length); + buffer[name_length] = '\0'; + return true; + } + data += name_length; + } + + return false; + } + + return false; + } + + inline bool get_glyph_from_name (const char *name, int len, + hb_codepoint_t *glyph, + unsigned int blob_len) const + { + if (len < 0) + len = strlen (name); + + if (version.to_int () == 0x00010000) + { + for (int i = 0; i < NUM_FORMAT1_NAMES; i++) + { + if (strncmp (name, format1_names[i], len) == 0 && format1_names[i][len] == '\0') + { + *glyph = i; + return true; + } + } + return false; + } + + if (version.to_int () == 0x00020000) + { + const postV2Tail &v2 = StructAfter<postV2Tail> (*this); + unsigned int offset = min_size + v2.min_size + 2 * v2.numberOfGlyphs; + char* data = (char*) this + offset; + + + /* XXX The following code is wrong. */ + return false; + for (hb_codepoint_t gid = 0; gid < v2.numberOfGlyphs; gid++) + { + unsigned int index = v2.glyphNameIndex[gid]; + if (index < NUM_FORMAT1_NAMES) + { + if (strncmp (name, format1_names[index], len) == 0 && format1_names[index][len] == '\0') + { + *glyph = gid; + return true; + } + continue; + } + index -= NUM_FORMAT1_NAMES; + + for (unsigned int i = 0; data < (char*) this + blob_len; i++) + { + unsigned int name_length = data[0]; + unsigned int remaining = (char*) this + blob_len - data - 1; + name_length = MIN (name_length, remaining); + if (name_length == (unsigned int) len && strncmp (name, data + 1, len) == 0) + { + *glyph = gid; + return true; + } + data += name_length + 1; + } + return false; + } + + return false; + } + + return false; + } + public: FixedVersion<>version; /* 0x00010000 for version 1.0 * 0x00020000 for version 2.0 |