1/*
2 * Copyright 2006 The Android Open Source Project
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8
9#include "SkParse.h"
10
11#ifdef SK_DEBUG
12#include "SkString.h"
13
14#ifdef SK_SUPPORT_UNITTEST
15    // compress names 6 chars per long (packed 5 bits/char )
16        // note: little advantage to splitting chars across longs, since 3 longs at 2 unused bits each
17        // allow for one additional split char (vs. the 18 unsplit chars in the three longs)
18    // use extra two bits to represent:
19        // 00 : final 6 (or fewer) chars (if 'a' is 0x01, zero could have special meaning)
20        // 01 : not final 6 chars
21        // 10 : color
22        // 11 : unused, except as debugging sentinal? (could be -1 for easier test)
23    // !!! the bit to end the word (last) is at the low bit for binary search
24    // lookup first character in offset for quick start
25        // offset is 27-entry table of bytes(?) that trims linear search to at most 21 entries ('d')
26    // shift match into long; set bit 30 if it all doesn't fit
27    // while longs don't match, march forward
28        // if they do match, and bit 30 is set, advance match, clearing bit 30 if
29        // final chars, and advance to next test
30        // if they do match, and bit 30 is clear, get next long (color) and return it
31    // stop at lookup of first char + 1
32static const struct SkNameRGB {
33    const char* name;
34    int rgb;
35} colorNames[] = {
36    { "aliceblue",            0xF0F8FF },
37    { "antiquewhite",         0xFAEBD7 },
38    { "aqua",                 0x00FFFF },
39    { "aquamarine",           0x7FFFD4 },
40    { "azure",                0xF0FFFF },
41    { "beige",                0xF5F5DC },
42    { "bisque",               0xFFE4C4 },
43    { "black",                0x000000 },
44    { "blanchedalmond",       0xFFEBCD },
45    { "blue",                 0x0000FF },
46    { "blueviolet",           0x8A2BE2 },
47    { "brown",                0xA52A2A },
48    { "burlywood",            0xDEB887 },
49    { "cadetblue",            0x5F9EA0 },
50    { "chartreuse",           0x7FFF00 },
51    { "chocolate",            0xD2691E },
52    { "coral",                0xFF7F50 },
53    { "cornflowerblue",       0x6495ED },
54    { "cornsilk",             0xFFF8DC },
55    { "crimson",              0xDC143C },
56    { "cyan",                 0x00FFFF },
57    { "darkblue",             0x00008B },
58    { "darkcyan",             0x008B8B },
59    { "darkgoldenrod",        0xB8860B },
60    { "darkgray",             0xA9A9A9 },
61    { "darkgreen",            0x006400 },
62    { "darkkhaki",            0xBDB76B },
63    { "darkmagenta",          0x8B008B },
64    { "darkolivegreen",       0x556B2F },
65    { "darkorange",           0xFF8C00 },
66    { "darkorchid",           0x9932CC },
67    { "darkred",              0x8B0000 },
68    { "darksalmon",           0xE9967A },
69    { "darkseagreen",         0x8FBC8F },
70    { "darkslateblue",        0x483D8B },
71    { "darkslategray",        0x2F4F4F },
72    { "darkturquoise",        0x00CED1 },
73    { "darkviolet",           0x9400D3 },
74    { "deeppink",             0xFF1493 },
75    { "deepskyblue",          0x00BFFF },
76    { "dimgray",              0x696969 },
77    { "dodgerblue",           0x1E90FF },
78    { "firebrick",            0xB22222 },
79    { "floralwhite",          0xFFFAF0 },
80    { "forestgreen",          0x228B22 },
81    { "fuchsia",              0xFF00FF },
82    { "gainsboro",            0xDCDCDC },
83    { "ghostwhite",           0xF8F8FF },
84    { "gold",                 0xFFD700 },
85    { "goldenrod",            0xDAA520 },
86    { "gray",                 0x808080 },
87    { "green",                0x008000 },
88    { "greenyellow",          0xADFF2F },
89    { "honeydew",             0xF0FFF0 },
90    { "hotpink",              0xFF69B4 },
91    { "indianred",            0xCD5C5C },
92    { "indigo",               0x4B0082 },
93    { "ivory",                0xFFFFF0 },
94    { "khaki",                0xF0E68C },
95    { "lavender",             0xE6E6FA },
96    { "lavenderblush",        0xFFF0F5 },
97    { "lawngreen",            0x7CFC00 },
98    { "lemonchiffon",         0xFFFACD },
99    { "lightblue",            0xADD8E6 },
100    { "lightcoral",           0xF08080 },
101    { "lightcyan",            0xE0FFFF },
102    { "lightgoldenrodyellow", 0xFAFAD2 },
103    { "lightgreen",           0x90EE90 },
104    { "lightgrey",            0xD3D3D3 },
105    { "lightpink",            0xFFB6C1 },
106    { "lightsalmon",          0xFFA07A },
107    { "lightseagreen",        0x20B2AA },
108    { "lightskyblue",         0x87CEFA },
109    { "lightslategray",       0x778899 },
110    { "lightsteelblue",       0xB0C4DE },
111    { "lightyellow",          0xFFFFE0 },
112    { "lime",                 0x00FF00 },
113    { "limegreen",            0x32CD32 },
114    { "linen",                0xFAF0E6 },
115    { "magenta",              0xFF00FF },
116    { "maroon",               0x800000 },
117    { "mediumaquamarine",     0x66CDAA },
118    { "mediumblue",           0x0000CD },
119    { "mediumorchid",         0xBA55D3 },
120    { "mediumpurple",         0x9370DB },
121    { "mediumseagreen",       0x3CB371 },
122    { "mediumslateblue",      0x7B68EE },
123    { "mediumspringgreen",    0x00FA9A },
124    { "mediumturquoise",      0x48D1CC },
125    { "mediumvioletred",      0xC71585 },
126    { "midnightblue",         0x191970 },
127    { "mintcream",            0xF5FFFA },
128    { "mistyrose",            0xFFE4E1 },
129    { "moccasin",             0xFFE4B5 },
130    { "navajowhite",          0xFFDEAD },
131    { "navy",                 0x000080 },
132    { "oldlace",              0xFDF5E6 },
133    { "olive",                0x808000 },
134    { "olivedrab",            0x6B8E23 },
135    { "orange",               0xFFA500 },
136    { "orangered",            0xFF4500 },
137    { "orchid",               0xDA70D6 },
138    { "palegoldenrod",        0xEEE8AA },
139    { "palegreen",            0x98FB98 },
140    { "paleturquoise",        0xAFEEEE },
141    { "palevioletred",        0xDB7093 },
142    { "papayawhip",           0xFFEFD5 },
143    { "peachpuff",            0xFFDAB9 },
144    { "peru",                 0xCD853F },
145    { "pink",                 0xFFC0CB },
146    { "plum",                 0xDDA0DD },
147    { "powderblue",           0xB0E0E6 },
148    { "purple",               0x800080 },
149    { "red",                  0xFF0000 },
150    { "rosybrown",            0xBC8F8F },
151    { "royalblue",            0x4169E1 },
152    { "saddlebrown",          0x8B4513 },
153    { "salmon",               0xFA8072 },
154    { "sandybrown",           0xF4A460 },
155    { "seagreen",             0x2E8B57 },
156    { "seashell",             0xFFF5EE },
157    { "sienna",               0xA0522D },
158    { "silver",               0xC0C0C0 },
159    { "skyblue",              0x87CEEB },
160    { "slateblue",            0x6A5ACD },
161    { "slategray",            0x708090 },
162    { "snow",                 0xFFFAFA },
163    { "springgreen",          0x00FF7F },
164    { "steelblue",            0x4682B4 },
165    { "tan",                  0xD2B48C },
166    { "teal",                 0x008080 },
167    { "thistle",              0xD8BFD8 },
168    { "tomato",               0xFF6347 },
169    { "turquoise",            0x40E0D0 },
170    { "violet",               0xEE82EE },
171    { "wheat",                0xF5DEB3 },
172    { "white",                0xFFFFFF },
173    { "whitesmoke",           0xF5F5F5 },
174    { "yellow",               0xFFFF00 },
175    { "yellowgreen",          0x9ACD32 }
176};
177
178int colorNamesSize = SK_ARRAY_COUNT(colorNames);
179
180static void CreateTable() {
181    SkString comment;
182    size_t originalSize = 0;
183    int replacement = 0;
184    for (int index = 0; index < colorNamesSize; index++) {
185        SkNameRGB nameRGB =  colorNames[index];
186        const char* name = nameRGB.name;
187        size_t len = strlen(name);
188        originalSize += len + 9;
189        bool first = true;
190        bool last = false;
191        do {
192            int compressed = 0;
193            const char* start = name;
194            for (int chIndex = 0; chIndex < 6; chIndex++) {
195                compressed <<= 5;
196                compressed |= *name ? *name++ - 'a' + 1 : 0 ;
197            }
198            replacement += sizeof(int);
199            compressed <<= 1;
200            compressed |= 1;
201            if (first) {
202                compressed |= 0x80000000;
203                first = false;
204            }
205            if (len <= 6) { // last
206                compressed &= ~1;
207                last = true;
208            }
209            len -= 6;
210            SkDebugf("0x%08x, ", compressed);
211            comment.append(start, name - start);
212        } while (last == false);
213        replacement += sizeof(int);
214        SkDebugf("0x%08x, ", nameRGB.rgb);
215        SkDebugf("// %s\n", comment.c_str());
216        comment.reset();
217    }
218    SkDebugf("// original = %d : replacement = %d\n", originalSize, replacement);
219    SkASSERT(0); // always stop after creating table
220}
221#endif
222
223#endif
224
225static const unsigned int gColorNames[] = {
2260x85891945, 0x32a50000, 0x00f0f8ff, // aliceblue
2270x85d44c6b, 0x16e84d0a, 0x00faebd7, // antiquewhite
2280x86350800, 0x0000ffff, // aqua
2290x86350b43, 0x492e2800, 0x007fffd4, // aquamarine
2300x87559140, 0x00f0ffff, // azure
2310x88a93940, 0x00f5f5dc, // beige
2320x89338d4a, 0x00ffe4c4, // bisque
2330x89811ac0, 0x00000000, // black
2340x898170d1, 0x1481635f, 0x38800000, 0x00ffebcd, // blanchedalmond
2350x89952800, 0x000000ff, // blue
2360x89952d93, 0x3d85a000, 0x008a2be2, // blueviolet
2370x8a4fbb80, 0x00a52a2a, // brown
2380x8ab2666f, 0x3de40000, 0x00deb887, // burlywood
2390x8c242d05, 0x32a50000, 0x005f9ea0, // cadetblue
2400x8d019525, 0x16b32800, 0x007fff00, // chartreuse
2410x8d0f1bd9, 0x06850000, 0x00d2691e, // chocolate
2420x8df20b00, 0x00ff7f50, // coral
2430x8df27199, 0x3ee59099, 0x54a00000, 0x006495ed, // cornflowerblue
2440x8df274d3, 0x31600000, 0x00fff8dc, // cornsilk
2450x8e496cdf, 0x38000000, 0x00dc143c, // crimson
2460x8f217000, 0x0000ffff, // cyan
2470x90325899, 0x54a00000, 0x0000008b, // darkblue
2480x903258f3, 0x05c00000, 0x00008b8b, // darkcyan
2490x903259df, 0x3085749f, 0x10000000, 0x00b8860b, // darkgoldenrod
2500x903259e5, 0x07200000, 0x00a9a9a9, // darkgray
2510x903259e5, 0x14ae0000, 0x00006400, // darkgreen
2520x90325ad1, 0x05690000, 0x00bdb76b, // darkkhaki
2530x90325b43, 0x1caea040, 0x008b008b, // darkmagenta
2540x90325bd9, 0x26c53c8b, 0x15c00000, 0x00556b2f, // darkolivegreen
2550x90325be5, 0x05c72800, 0x00ff8c00, // darkorange
2560x90325be5, 0x0d092000, 0x009932cc, // darkorchid
2570x90325c8b, 0x10000000, 0x008b0000, // darkred
2580x90325cc3, 0x31af7000, 0x00e9967a, // darksalmon
2590x90325ccb, 0x04f2295c, 0x008fbc8f, // darkseagreen
2600x90325cd9, 0x0685132b, 0x14000000, 0x00483d8b, // darkslateblue
2610x90325cd9, 0x06853c83, 0x64000000, 0x002f4f4f, // darkslategray
2620x90325d2b, 0x4a357a67, 0x14000000, 0x0000ced1, // darkturquoise
2630x90325d93, 0x3d85a000, 0x009400d3, // darkviolet
2640x90a58413, 0x39600000, 0x00ff1493, // deeppink
2650x90a584d7, 0x644ca940, 0x0000bfff, // deepskyblue
2660x912d3c83, 0x64000000, 0x00696969, // dimgray
2670x91e43965, 0x09952800, 0x001e90ff, // dodgerblue
2680x993228a5, 0x246b0000, 0x00b22222, // firebrick
2690x998f9059, 0x5d09a140, 0x00fffaf0, // floralwhite
2700x99f22ce9, 0x1e452b80, 0x00228b22, // forestgreen
2710x9aa344d3, 0x04000000, 0x00ff00ff, // fuchsia
2720x9c2974c5, 0x3e4f0000, 0x00dcdcdc, // gainsboro
2730x9d0f9d2f, 0x21342800, 0x00f8f8ff, // ghostwhite
2740x9dec2000, 0x00ffd700, // gold
2750x9dec215d, 0x49e40000, 0x00daa520, // goldenrod
2760x9e41c800, 0x00808080, // gray
2770x9e452b80, 0x00008000, // green
2780x9e452bb3, 0x158c7dc0, 0x00adff2f, // greenyellow
2790xa1ee2e49, 0x16e00000, 0x00f0fff0, // honeydew
2800xa1f4825d, 0x2c000000, 0x00ff69b4, // hotpink
2810xa5c4485d, 0x48a40000, 0x00cd5c5c, // indianred
2820xa5c449de, 0x004b0082, // indigo
2830xa6cf9640, 0x00fffff0, // ivory
2840xad015a40, 0x00f0e68c, // khaki
2850xb0362b89, 0x16400000, 0x00e6e6fa, // lavender
2860xb0362b89, 0x16426567, 0x20000000, 0x00fff0f5, // lavenderblush
2870xb03771e5, 0x14ae0000, 0x007cfc00, // lawngreen
2880xb0ad7b87, 0x212633dc, 0x00fffacd, // lemonchiffon
2890xb1274505, 0x32a50000, 0x00add8e6, // lightblue
2900xb1274507, 0x3e416000, 0x00f08080, // lightcoral
2910xb1274507, 0x642e0000, 0x00e0ffff, // lightcyan
2920xb127450f, 0x3d842ba5, 0x3c992b19, 0x3ee00000, 0x00fafad2, // lightgoldenrodyellow
2930xb127450f, 0x48a57000, 0x0090ee90, // lightgreen
2940xb127450f, 0x48b90000, 0x00d3d3d3, // lightgrey
2950xb1274521, 0x25cb0000, 0x00ffb6c1, // lightpink
2960xb1274527, 0x058d7b80, 0x00ffa07a, // lightsalmon
2970xb1274527, 0x1427914b, 0x38000000, 0x0020b2aa, // lightseagreen
2980xb1274527, 0x2f22654a, 0x0087cefa, // lightskyblue
2990xb1274527, 0x303429e5, 0x07200000, 0x00778899, // lightslategray
3000xb1274527, 0x50a56099, 0x54a00000, 0x00b0c4de, // lightsteelblue
3010xb1274533, 0x158c7dc0, 0x00ffffe0, // lightyellow
3020xb12d2800, 0x0000ff00, // lime
3030xb12d29e5, 0x14ae0000, 0x0032cd32, // limegreen
3040xb12e2b80, 0x00faf0e6, // linen
3050xb4272ba9, 0x04000000, 0x00ff00ff, // magenta
3060xb4327bdc, 0x00800000, // maroon
3070xb4a44d5b, 0x06350b43, 0x492e2800, 0x0066cdaa, // mediumaquamarine
3080xb4a44d5b, 0x09952800, 0x000000cd, // mediumblue
3090xb4a44d5b, 0x3e434248, 0x00ba55d3, // mediumorchid
3100xb4a44d5b, 0x42b2830a, 0x009370db, // mediumpurple
3110xb4a44d5b, 0x4ca13c8b, 0x15c00000, 0x003cb371, // mediumseagreen
3120xb4a44d5b, 0x4d81a145, 0x32a50000, 0x007b68ee, // mediumslateblue
3130xb4a44d5b, 0x4e124b8f, 0x1e452b80, 0x0000fa9a, // mediumspringgreen
3140xb4a44d5b, 0x52b28d5f, 0x26650000, 0x0048d1cc, // mediumturquoise
3150xb4a44d5b, 0x592f6169, 0x48a40000, 0x00c71585, // mediumvioletred
3160xb524724f, 0x2282654a, 0x00191970, // midnightblue
3170xb52ea0e5, 0x142d0000, 0x00f5fffa, // mintcream
3180xb533a665, 0x3e650000, 0x00ffe4e1, // mistyrose
3190xb5e31867, 0x25c00000, 0x00ffe4b5, // moccasin
3200xb8360a9f, 0x5d09a140, 0x00ffdead, // navajowhite
3210xb836c800, 0x00000080, // navy
3220xbd846047, 0x14000000, 0x00fdf5e6, // oldlace
3230xbd89b140, 0x00808000, // olive
3240xbd89b149, 0x48220000, 0x006b8e23, // olivedrab
3250xbe4171ca, 0x00ffa500, // orange
3260xbe4171cb, 0x48a40000, 0x00ff4500, // orangered
3270xbe434248, 0x00da70d6, // orchid
3280xc02c29df, 0x3085749f, 0x10000000, 0x00eee8aa, // palegoldenrod
3290xc02c29e5, 0x14ae0000, 0x0098fb98, // palegreen
3300xc02c2d2b, 0x4a357a67, 0x14000000, 0x00afeeee, // paleturquoise
3310xc02c2d93, 0x3d85a48b, 0x10000000, 0x00db7093, // palevioletred
3320xc0300e43, 0x5d098000, 0x00ffefd5, // papayawhip
3330xc0a11a21, 0x54c60000, 0x00ffdab9, // peachpuff
3340xc0b2a800, 0x00cd853f, // peru
3350xc12e5800, 0x00ffc0cb, // pink
3360xc1956800, 0x00dda0dd, // plum
3370xc1f72165, 0x09952800, 0x00b0e0e6, // powderblue
3380xc2b2830a, 0x00800080, // purple
3390xc8a40000, 0x00ff0000, // red
3400xc9f3c8a5, 0x3eee0000, 0x00bc8f8f, // rosybrown
3410xc9f90b05, 0x32a50000, 0x004169e1, // royalblue
3420xcc24230b, 0x0a4fbb80, 0x008b4513, // saddlebrown
3430xcc2c6bdc, 0x00fa8072, // salmon
3440xcc2e2645, 0x49f77000, 0x00f4a460, // sandybrown
3450xcca13c8b, 0x15c00000, 0x002e8b57, // seagreen
3460xcca19a0b, 0x31800000, 0x00fff5ee, // seashell
3470xcd257382, 0x00a0522d, // sienna
3480xcd2cb164, 0x00c0c0c0, // silver
3490xcd79132b, 0x14000000, 0x0087ceeb, // skyblue
3500xcd81a145, 0x32a50000, 0x006a5acd, // slateblue
3510xcd81a14f, 0x48390000, 0x00708090, // slategray
3520xcdcfb800, 0x00fffafa, // snow
3530xce124b8f, 0x1e452b80, 0x0000ff7f, // springgreen
3540xce852b05, 0x32a50000, 0x004682b4, // steelblue
3550xd02e0000, 0x00d2b48c, // tan
3560xd0a16000, 0x00008080, // teal
3570xd1099d19, 0x14000000, 0x00d8bfd8, // thistle
3580xd1ed0d1e, 0x00ff6347, // tomato
3590xd2b28d5f, 0x26650000, 0x0040e0d0, // turquoise
3600xd92f6168, 0x00ee82ee, // violet
3610xdd050d00, 0x00f5deb3, // wheat
3620xdd09a140, 0x00ffffff, // white
3630xdd09a167, 0x35eb2800, 0x00f5f5f5, // whitesmoke
3640xe4ac63ee, 0x00ffff00, // yellow
3650xe4ac63ef, 0x1e452b80, 0x009acd32 // yellowgreen
366}; // original = 2505 : replacement = 1616
367
368
369const char* SkParse::FindNamedColor(const char* name, size_t len, SkColor* color) {
370    const char* namePtr = name;
371    unsigned int sixMatches[4];
372    unsigned int* sixMatchPtr = sixMatches;
373    bool first = true;
374    bool last = false;
375    char ch;
376    do {
377        unsigned int sixMatch = 0;
378        for (int chIndex = 0; chIndex < 6; chIndex++) {
379            sixMatch <<= 5;
380            ch = *namePtr  | 0x20;
381            if (ch < 'a' || ch > 'z')
382                ch = 0;
383            else {
384                ch = ch - 'a' + 1;
385                namePtr++;
386            }
387            sixMatch |= ch ;  // turn 'A' (0x41) into 'a' (0x61);
388        }
389        sixMatch <<= 1;
390        sixMatch |= 1;
391        if (first) {
392            sixMatch |= 0x80000000;
393            first = false;
394        }
395        ch = *namePtr | 0x20;
396        last = ch < 'a' || ch > 'z';
397        if (last)
398            sixMatch &= ~1;
399        len -= 6;
400        *sixMatchPtr++ = sixMatch;
401    } while (last == false && len > 0);
402    const int colorNameSize = sizeof(gColorNames) / sizeof(unsigned int);
403    int lo = 0;
404    int hi = colorNameSize - 3; // back off to beginning of yellowgreen
405    while (lo <= hi) {
406        int mid = (hi + lo) >> 1;
407        while ((int) gColorNames[mid] >= 0)
408            --mid;
409        sixMatchPtr = sixMatches;
410        while (gColorNames[mid] == *sixMatchPtr) {
411            ++mid;
412            if ((*sixMatchPtr & 1) == 0) { // last
413                *color = gColorNames[mid] | 0xFF000000;
414                return namePtr;
415            }
416            ++sixMatchPtr;
417        }
418        int sixMask = *sixMatchPtr & ~0x80000000;
419        int midMask = gColorNames[mid] & ~0x80000000;
420        if (sixMask > midMask) {
421            lo = mid + 2;   // skip color
422            while ((int) gColorNames[lo] >= 0)
423                ++lo;
424        } else if (hi == mid)
425            return nullptr;
426        else
427            hi = mid;
428    }
429    return nullptr;
430}
431
432// !!! move to char utilities
433//static int count_separators(const char* str, const char* sep) {
434//  char c;
435//  int separators = 0;
436//  while ((c = *str++) != '\0') {
437//      if (strchr(sep, c) == nullptr)
438//          continue;
439//      do {
440//          if ((c = *str++) == '\0')
441//              goto goHome;
442//      } while (strchr(sep, c) != nullptr);
443//      separators++;
444//  }
445//goHome:
446//  return separators;
447//}
448
449static inline unsigned nib2byte(unsigned n)
450{
451    SkASSERT((n & ~0xF) == 0);
452    return (n << 4) | n;
453}
454
455const char* SkParse::FindColor(const char* value, SkColor* colorPtr) {
456    unsigned int oldAlpha = SkColorGetA(*colorPtr);
457    if (value[0] == '#') {
458        uint32_t    hex;
459        const char* end = SkParse::FindHex(value + 1, &hex);
460//      SkASSERT(end);
461        if (end == nullptr)
462            return end;
463        size_t len = end - value - 1;
464        if (len == 3 || len == 4) {
465            unsigned a = len == 4 ? nib2byte(hex >> 12) : oldAlpha;
466            unsigned r = nib2byte((hex >> 8) & 0xF);
467            unsigned g = nib2byte((hex >> 4) & 0xF);
468            unsigned b = nib2byte(hex & 0xF);
469            *colorPtr = SkColorSetARGB(a, r, g, b);
470            return end;
471        } else if (len == 6 || len == 8) {
472            if (len == 6)
473                hex |= oldAlpha << 24;
474            *colorPtr = hex;
475            return end;
476        } else {
477//          SkASSERT(0);
478            return nullptr;
479        }
480//  } else if (strchr(value, ',')) {
481//      SkScalar array[4];
482//      int count = count_separators(value, ",") + 1; // !!! count commas, add 1
483//      SkASSERT(count == 3 || count == 4);
484//      array[0] = SK_Scalar1 * 255;
485//      const char* end = SkParse::FindScalars(value, &array[4 - count], count);
486//      if (end == nullptr)
487//          return nullptr;
488        // !!! range check for errors?
489//      *colorPtr = SkColorSetARGB(SkScalarRoundToInt(array[0]), SkScalarRoundToInt(array[1]),
490//          SkScalarRoundToInt(array[2]), SkScalarRoundToInt(array[3]));
491//      return end;
492    } else
493        return FindNamedColor(value, strlen(value), colorPtr);
494}
495
496#ifdef SK_SUPPORT_UNITTEST
497void SkParse::TestColor() {
498    if (false)
499        CreateTable();  // regenerates data table in the output window
500    SkColor result;
501    int index;
502    for (index = 0; index < colorNamesSize; index++) {
503        result = SK_ColorBLACK;
504        SkNameRGB nameRGB = colorNames[index];
505        SkASSERT(FindColor(nameRGB.name, &result) != nullptr);
506        SkASSERT(result == (SkColor) (nameRGB.rgb | 0xFF000000));
507    }
508    for (index = 0; index < colorNamesSize; index++) {
509        result = SK_ColorBLACK;
510        SkNameRGB nameRGB = colorNames[index];
511        char bad[24];
512        size_t len = strlen(nameRGB.name);
513        memcpy(bad, nameRGB.name, len);
514        bad[len - 1] -= 1;
515        SkASSERT(FindColor(bad, &result) == nullptr);
516        bad[len - 1] += 2;
517        SkASSERT(FindColor(bad, &result) == nullptr);
518    }
519    result = SK_ColorBLACK;
520    SkASSERT(FindColor("lightGrey", &result));
521    SkASSERT(result == 0xffd3d3d3);
522//  SkASSERT(FindColor("12,34,56,78", &result));
523//  SkASSERT(result == ((12 << 24) | (34 << 16) | (56 << 8) | (78 << 0)));
524    result = SK_ColorBLACK;
525    SkASSERT(FindColor("#ABCdef", &result));
526    SkASSERT(result == 0XFFABCdef);
527    SkASSERT(FindColor("#12ABCdef", &result));
528    SkASSERT(result == 0X12ABCdef);
529    result = SK_ColorBLACK;
530    SkASSERT(FindColor("#123", &result));
531    SkASSERT(result == 0Xff112233);
532    SkASSERT(FindColor("#abcd", &result));
533    SkASSERT(result == 0Xaabbccdd);
534    result = SK_ColorBLACK;
535//  SkASSERT(FindColor("71,162,253", &result));
536//  SkASSERT(result == ((0xFF << 24) | (71 << 16) | (162 << 8) | (253 << 0)));
537}
538#endif
539