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1 // Copyright 2014 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6 
7 #include "xfa/fde/css/fde_cssdatatable.h"
8 
9 #include <utility>
10 
11 #include "core/fxcrt/fx_ext.h"
12 #include "xfa/fde/css/cfde_cssstyleselector.h"
13 #include "xfa/fde/css/cfde_cssvaluelistparser.h"
14 #include "xfa/fgas/crt/fgas_codepage.h"
15 
16 static const FDE_CSSPropertyTable g_FDE_CSSProperties[] = {
17     {FDE_CSSProperty::BorderLeft, L"border-left", 0x04080036,
18      FDE_CSSVALUETYPE_Shorthand},
19     {FDE_CSSProperty::Top, L"top", 0x0BEDAF33,
20      FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum |
21          FDE_CSSVALUETYPE_MaybeNumber},
22     {FDE_CSSProperty::Margin, L"margin", 0x0CB016BE,
23      FDE_CSSVALUETYPE_List | FDE_CSSVALUETYPE_MaybeEnum |
24          FDE_CSSVALUETYPE_MaybeNumber},
25     {FDE_CSSProperty::TextIndent, L"text-indent", 0x169ADB74,
26      FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeNumber},
27     {FDE_CSSProperty::Right, L"right", 0x193ADE3E,
28      FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum |
29          FDE_CSSVALUETYPE_MaybeNumber},
30     {FDE_CSSProperty::PaddingLeft, L"padding-left", 0x228CF02F,
31      FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeNumber},
32     {FDE_CSSProperty::MarginLeft, L"margin-left", 0x297C5656,
33      FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeNumber |
34          FDE_CSSVALUETYPE_MaybeEnum},
35     {FDE_CSSProperty::Border, L"border", 0x2A23349E,
36      FDE_CSSVALUETYPE_Shorthand},
37     {FDE_CSSProperty::BorderTop, L"border-top", 0x2B866ADE,
38      FDE_CSSVALUETYPE_Shorthand},
39     {FDE_CSSProperty::Bottom, L"bottom", 0x399F02B5,
40      FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum |
41          FDE_CSSVALUETYPE_MaybeNumber},
42     {FDE_CSSProperty::PaddingRight, L"padding-right", 0x3F616AC2,
43      FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeNumber},
44     {FDE_CSSProperty::BorderBottom, L"border-bottom", 0x452CE780,
45      FDE_CSSVALUETYPE_Shorthand},
46     {FDE_CSSProperty::FontFamily, L"font-family", 0x574686E6,
47      FDE_CSSVALUETYPE_List | FDE_CSSVALUETYPE_MaybeString},
48     {FDE_CSSProperty::FontWeight, L"font-weight", 0x6692F60C,
49      FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum |
50          FDE_CSSVALUETYPE_MaybeNumber},
51     {FDE_CSSProperty::Color, L"color", 0x6E67921F,
52      FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum |
53          FDE_CSSVALUETYPE_MaybeColor},
54     {FDE_CSSProperty::LetterSpacing, L"letter-spacing", 0x70536102,
55      FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum |
56          FDE_CSSVALUETYPE_MaybeNumber},
57     {FDE_CSSProperty::TextAlign, L"text-align", 0x7553F1BD,
58      FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum},
59     {FDE_CSSProperty::BorderRightWidth, L"border-right-width", 0x8F5A6036,
60      FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum |
61          FDE_CSSVALUETYPE_MaybeNumber},
62     {FDE_CSSProperty::VerticalAlign, L"vertical-align", 0x934A87D2,
63      FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum |
64          FDE_CSSVALUETYPE_MaybeNumber},
65     {FDE_CSSProperty::PaddingTop, L"padding-top", 0x959D22B7,
66      FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeNumber},
67     {FDE_CSSProperty::FontVariant, L"font-variant", 0x9C785779,
68      FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum},
69     {FDE_CSSProperty::BorderWidth, L"border-width", 0xA8DE4FEB,
70      FDE_CSSVALUETYPE_List | FDE_CSSVALUETYPE_MaybeEnum |
71          FDE_CSSVALUETYPE_MaybeNumber},
72     {FDE_CSSProperty::BorderBottomWidth, L"border-bottom-width", 0xAE41204D,
73      FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum |
74          FDE_CSSVALUETYPE_MaybeNumber},
75     {FDE_CSSProperty::BorderRight, L"border-right", 0xB78E9EA9,
76      FDE_CSSVALUETYPE_Shorthand},
77     {FDE_CSSProperty::FontSize, L"font-size", 0xB93956DF,
78      FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum |
79          FDE_CSSVALUETYPE_MaybeNumber},
80     {FDE_CSSProperty::BorderSpacing, L"border-spacing", 0xC72030F0,
81      FDE_CSSVALUETYPE_List | FDE_CSSVALUETYPE_MaybeNumber},
82     {FDE_CSSProperty::FontStyle, L"font-style", 0xCB1950F5,
83      FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum},
84     {FDE_CSSProperty::Font, L"font", 0xCD308B77, FDE_CSSVALUETYPE_Shorthand},
85     {FDE_CSSProperty::LineHeight, L"line-height", 0xCFCACE2E,
86      FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum |
87          FDE_CSSVALUETYPE_MaybeNumber},
88     {FDE_CSSProperty::MarginRight, L"margin-right", 0xD13C58C9,
89      FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeNumber |
90          FDE_CSSVALUETYPE_MaybeEnum},
91     {FDE_CSSProperty::BorderLeftWidth, L"border-left-width", 0xD1E93D83,
92      FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum |
93          FDE_CSSVALUETYPE_MaybeNumber},
94     {FDE_CSSProperty::Display, L"display", 0xD4224C36,
95      FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum},
96     {FDE_CSSProperty::PaddingBottom, L"padding-bottom", 0xE555B3B9,
97      FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeNumber},
98     {FDE_CSSProperty::BorderTopWidth, L"border-top-width", 0xED2CB62B,
99      FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum |
100          FDE_CSSVALUETYPE_MaybeNumber},
101     {FDE_CSSProperty::WordSpacing, L"word-spacing", 0xEDA63BAE,
102      FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum |
103          FDE_CSSVALUETYPE_MaybeNumber},
104     {FDE_CSSProperty::Left, L"left", 0xF5AD782B,
105      FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum |
106          FDE_CSSVALUETYPE_MaybeNumber},
107     {FDE_CSSProperty::TextDecoration, L"text-decoration", 0xF7C634BA,
108      FDE_CSSVALUETYPE_List | FDE_CSSVALUETYPE_MaybeEnum},
109     {FDE_CSSProperty::Padding, L"padding", 0xF8C373F7,
110      FDE_CSSVALUETYPE_List | FDE_CSSVALUETYPE_MaybeNumber},
111     {FDE_CSSProperty::MarginBottom, L"margin-bottom", 0xF93485A0,
112      FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeNumber |
113          FDE_CSSVALUETYPE_MaybeEnum},
114     {FDE_CSSProperty::MarginTop, L"margin-top", 0xFE51DCFE,
115      FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeNumber |
116          FDE_CSSVALUETYPE_MaybeEnum},
117 };
118 const int32_t g_iCSSPropertyCount =
119     sizeof(g_FDE_CSSProperties) / sizeof(FDE_CSSPropertyTable);
120 static_assert(g_iCSSPropertyCount ==
121                   static_cast<int32_t>(FDE_CSSProperty::LAST_MARKER),
122               "Property table differs in size from property enum");
123 
124 static const FDE_CSSPropertyValueTable g_FDE_CSSPropertyValues[] = {
125     {FDE_CSSPropertyValue::Bolder, L"bolder", 0x009F1058},
126     {FDE_CSSPropertyValue::None, L"none", 0x048B6670},
127     {FDE_CSSPropertyValue::Dot, L"dot", 0x0A48CB27},
128     {FDE_CSSPropertyValue::Sub, L"sub", 0x0BD37FAA},
129     {FDE_CSSPropertyValue::Top, L"top", 0x0BEDAF33},
130     {FDE_CSSPropertyValue::Right, L"right", 0x193ADE3E},
131     {FDE_CSSPropertyValue::Normal, L"normal", 0x247CF3E9},
132     {FDE_CSSPropertyValue::Auto, L"auto", 0x2B35B6D9},
133     {FDE_CSSPropertyValue::Text, L"text", 0x2D08AF85},
134     {FDE_CSSPropertyValue::XSmall, L"x-small", 0x2D2FCAFE},
135     {FDE_CSSPropertyValue::Thin, L"thin", 0x2D574D53},
136     {FDE_CSSPropertyValue::Small, L"small", 0x316A3739},
137     {FDE_CSSPropertyValue::Bottom, L"bottom", 0x399F02B5},
138     {FDE_CSSPropertyValue::Underline, L"underline", 0x3A0273A6},
139     {FDE_CSSPropertyValue::Double, L"double", 0x3D98515B},
140     {FDE_CSSPropertyValue::Lighter, L"lighter", 0x45BEB7AF},
141     {FDE_CSSPropertyValue::Oblique, L"oblique", 0x53EBDDB1},
142     {FDE_CSSPropertyValue::Super, L"super", 0x6A4F842F},
143     {FDE_CSSPropertyValue::Center, L"center", 0x6C51AFC1},
144     {FDE_CSSPropertyValue::XxLarge, L"xx-large", 0x70BB1508},
145     {FDE_CSSPropertyValue::Smaller, L"smaller", 0x849769F0},
146     {FDE_CSSPropertyValue::Baseline, L"baseline", 0x87436BA3},
147     {FDE_CSSPropertyValue::Thick, L"thick", 0x8CC35EB3},
148     {FDE_CSSPropertyValue::Justify, L"justify", 0x8D269CAE},
149     {FDE_CSSPropertyValue::Middle, L"middle", 0x947FA00F},
150     {FDE_CSSPropertyValue::Medium, L"medium", 0xA084A381},
151     {FDE_CSSPropertyValue::ListItem, L"list-item", 0xA32382B8},
152     {FDE_CSSPropertyValue::XxSmall, L"xx-small", 0xADE1FC76},
153     {FDE_CSSPropertyValue::Bold, L"bold", 0xB18313A1},
154     {FDE_CSSPropertyValue::SmallCaps, L"small-caps", 0xB299428D},
155     {FDE_CSSPropertyValue::Inline, L"inline", 0xC02D649F},
156     {FDE_CSSPropertyValue::Overline, L"overline", 0xC0EC9FA4},
157     {FDE_CSSPropertyValue::TextBottom, L"text-bottom", 0xC7D08D87},
158     {FDE_CSSPropertyValue::Larger, L"larger", 0xCD3C409D},
159     {FDE_CSSPropertyValue::InlineTable, L"inline-table", 0xD131F494},
160     {FDE_CSSPropertyValue::InlineBlock, L"inline-block", 0xD26A8BD7},
161     {FDE_CSSPropertyValue::Blink, L"blink", 0xDC36E390},
162     {FDE_CSSPropertyValue::Block, L"block", 0xDCD480AB},
163     {FDE_CSSPropertyValue::Italic, L"italic", 0xE31D5396},
164     {FDE_CSSPropertyValue::LineThrough, L"line-through", 0xE4C5A276},
165     {FDE_CSSPropertyValue::XLarge, L"x-large", 0xF008E390},
166     {FDE_CSSPropertyValue::Large, L"large", 0xF4434FCB},
167     {FDE_CSSPropertyValue::Left, L"left", 0xF5AD782B},
168     {FDE_CSSPropertyValue::TextTop, L"text-top", 0xFCB58D45},
169 };
170 const int32_t g_iCSSPropertyValueCount =
171     sizeof(g_FDE_CSSPropertyValues) / sizeof(FDE_CSSPropertyValueTable);
172 static_assert(g_iCSSPropertyValueCount ==
173                   static_cast<int32_t>(FDE_CSSPropertyValue::LAST_MARKER),
174               "Property value table differs in size from property value enum");
175 
176 static const FDE_CSSLengthUnitTable g_FDE_CSSLengthUnits[] = {
177     {0x0672, FDE_CSSNumberType::EMS},
178     {0x067D, FDE_CSSNumberType::EXS},
179     {0x1AF7, FDE_CSSNumberType::Inches},
180     {0x2F7A, FDE_CSSNumberType::MilliMeters},
181     {0x3ED3, FDE_CSSNumberType::Picas},
182     {0x3EE4, FDE_CSSNumberType::Points},
183     {0x3EE8, FDE_CSSNumberType::Pixels},
184     {0xFC30, FDE_CSSNumberType::CentiMeters},
185 };
186 
187 static const FDE_CSSCOLORTABLE g_FDE_CSSColors[] = {
188     {0x031B47FE, 0xff000080}, {0x0BB8DF5B, 0xffff0000},
189     {0x0D82A78C, 0xff800000}, {0x2ACC82E8, 0xff00ffff},
190     {0x2D083986, 0xff008080}, {0x4A6A6195, 0xffc0c0c0},
191     {0x546A8EF3, 0xff808080}, {0x65C9169C, 0xffffa500},
192     {0x8422BB61, 0xffffffff}, {0x9271A558, 0xff800080},
193     {0xA65A3EE3, 0xffff00ff}, {0xB1345708, 0xff0000ff},
194     {0xB6D2CF1F, 0xff808000}, {0xD19B5E1C, 0xffffff00},
195     {0xDB64391D, 0xff000000}, {0xF616D507, 0xff00ff00},
196     {0xF6EFFF31, 0xff008000},
197 };
198 
FDE_GetCSSPropertyByName(const CFX_WideStringC & wsName)199 const FDE_CSSPropertyTable* FDE_GetCSSPropertyByName(
200     const CFX_WideStringC& wsName) {
201   ASSERT(!wsName.IsEmpty());
202   uint32_t dwHash = FX_HashCode_GetW(wsName, true);
203   int32_t iEnd = g_iCSSPropertyCount;
204   int32_t iMid, iStart = 0;
205   uint32_t dwMid;
206   do {
207     iMid = (iStart + iEnd) / 2;
208     dwMid = g_FDE_CSSProperties[iMid].dwHash;
209     if (dwHash == dwMid) {
210       return g_FDE_CSSProperties + iMid;
211     } else if (dwHash > dwMid) {
212       iStart = iMid + 1;
213     } else {
214       iEnd = iMid - 1;
215     }
216   } while (iStart <= iEnd);
217   return nullptr;
218 }
219 
FDE_GetCSSPropertyByEnum(FDE_CSSProperty eName)220 const FDE_CSSPropertyTable* FDE_GetCSSPropertyByEnum(FDE_CSSProperty eName) {
221   return g_FDE_CSSProperties + static_cast<int>(eName);
222 }
223 
FDE_GetCSSPropertyValueByName(const CFX_WideStringC & wsName)224 const FDE_CSSPropertyValueTable* FDE_GetCSSPropertyValueByName(
225     const CFX_WideStringC& wsName) {
226   ASSERT(!wsName.IsEmpty());
227   uint32_t dwHash = FX_HashCode_GetW(wsName, true);
228   int32_t iEnd = g_iCSSPropertyValueCount;
229   int32_t iMid, iStart = 0;
230   uint32_t dwMid;
231   do {
232     iMid = (iStart + iEnd) / 2;
233     dwMid = g_FDE_CSSPropertyValues[iMid].dwHash;
234     if (dwHash == dwMid) {
235       return g_FDE_CSSPropertyValues + iMid;
236     } else if (dwHash > dwMid) {
237       iStart = iMid + 1;
238     } else {
239       iEnd = iMid - 1;
240     }
241   } while (iStart <= iEnd);
242   return nullptr;
243 }
244 
FDE_GetCSSLengthUnitByName(const CFX_WideStringC & wsName)245 const FDE_CSSLengthUnitTable* FDE_GetCSSLengthUnitByName(
246     const CFX_WideStringC& wsName) {
247   ASSERT(!wsName.IsEmpty());
248   uint16_t wHash = FX_HashCode_GetW(wsName, true);
249   int32_t iEnd =
250       sizeof(g_FDE_CSSLengthUnits) / sizeof(FDE_CSSLengthUnitTable) - 1;
251   int32_t iMid, iStart = 0;
252   uint16_t wMid;
253   do {
254     iMid = (iStart + iEnd) / 2;
255     wMid = g_FDE_CSSLengthUnits[iMid].wHash;
256     if (wHash == wMid) {
257       return g_FDE_CSSLengthUnits + iMid;
258     } else if (wHash > wMid) {
259       iStart = iMid + 1;
260     } else {
261       iEnd = iMid - 1;
262     }
263   } while (iStart <= iEnd);
264   return nullptr;
265 }
266 
FDE_GetCSSColorByName(const CFX_WideStringC & wsName)267 const FDE_CSSCOLORTABLE* FDE_GetCSSColorByName(const CFX_WideStringC& wsName) {
268   ASSERT(!wsName.IsEmpty());
269   uint32_t dwHash = FX_HashCode_GetW(wsName, true);
270   int32_t iEnd = sizeof(g_FDE_CSSColors) / sizeof(FDE_CSSCOLORTABLE) - 1;
271   int32_t iMid, iStart = 0;
272   uint32_t dwMid;
273   do {
274     iMid = (iStart + iEnd) / 2;
275     dwMid = g_FDE_CSSColors[iMid].dwHash;
276     if (dwHash == dwMid) {
277       return g_FDE_CSSColors + iMid;
278     } else if (dwHash > dwMid) {
279       iStart = iMid + 1;
280     } else {
281       iEnd = iMid - 1;
282     }
283   } while (iStart <= iEnd);
284   return nullptr;
285 }
286