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3eb9473e | 1 | /*++\r |
2 | \r | |
4ea9375a HT |
3 | Copyright (c) 2004, Intel Corporation. All rights reserved.<BR>\r |
4 | This program and the accompanying materials \r | |
3eb9473e | 5 | are licensed and made available under the terms and conditions of the BSD License \r |
6 | which accompanies this distribution. The full text of the license may be found at \r | |
7 | http://opensource.org/licenses/bsd-license.php \r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | BoxDraw.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | Lib functions to support Box Draw Unicode code pages.\r | |
18 | \r | |
19 | \r | |
20 | \r | |
21 | Revision History\r | |
22 | \r | |
23 | --*/\r | |
24 | \r | |
25 | #include "Tiano.h"\r | |
26 | #include "EfiDriverLib.h"\r | |
27 | \r | |
28 | \r | |
29 | \r | |
30 | typedef struct {\r | |
31 | CHAR16 Unicode;\r | |
32 | CHAR8 PcAnsi;\r | |
33 | CHAR8 Ascii;\r | |
34 | } UNICODE_TO_CHAR;\r | |
35 | \r | |
36 | \r | |
37 | //\r | |
38 | // This list is used to define the valid extend chars.\r | |
39 | // It also provides a mapping from Unicode to PCANSI or\r | |
40 | // ASCII. The ASCII mapping we just made up.\r | |
41 | //\r | |
42 | //\r | |
43 | \r | |
44 | static UNICODE_TO_CHAR UnicodeToPcAnsiOrAscii[] = {\r | |
57d40fe2 | 45 | {BOXDRAW_HORIZONTAL, 0xc4, L'-'}, \r |
46 | {BOXDRAW_VERTICAL, 0xb3, L'|'},\r | |
47 | {BOXDRAW_DOWN_RIGHT, 0xda, L'/'},\r | |
48 | {BOXDRAW_DOWN_LEFT, 0xbf, L'\\'},\r | |
49 | {BOXDRAW_UP_RIGHT, 0xc0, L'\\'},\r | |
50 | {BOXDRAW_UP_LEFT, 0xd9, L'/'},\r | |
51 | {BOXDRAW_VERTICAL_RIGHT, 0xc3, L'|'},\r | |
52 | {BOXDRAW_VERTICAL_LEFT, 0xb4, L'|'},\r | |
53 | {BOXDRAW_DOWN_HORIZONTAL, 0xc2, L'+'},\r | |
54 | {BOXDRAW_UP_HORIZONTAL, 0xc1, L'+'},\r | |
55 | {BOXDRAW_VERTICAL_HORIZONTAL, 0xc5, L'+'},\r | |
56 | {BOXDRAW_DOUBLE_HORIZONTAL, 0xcd, L'-'},\r | |
57 | {BOXDRAW_DOUBLE_VERTICAL, 0xba, L'|'},\r | |
58 | {BOXDRAW_DOWN_RIGHT_DOUBLE, 0xd5, L'/'},\r | |
59 | {BOXDRAW_DOWN_DOUBLE_RIGHT, 0xd6, L'/'},\r | |
60 | {BOXDRAW_DOUBLE_DOWN_RIGHT, 0xc9, L'/'},\r | |
61 | {BOXDRAW_DOWN_LEFT_DOUBLE, 0xb8, L'\\'},\r | |
62 | {BOXDRAW_DOWN_DOUBLE_LEFT, 0xb7, L'\\'},\r | |
63 | {BOXDRAW_DOUBLE_DOWN_LEFT, 0xbb, L'\\'},\r | |
64 | {BOXDRAW_UP_RIGHT_DOUBLE, 0xd4, L'\\'},\r | |
65 | {BOXDRAW_UP_DOUBLE_RIGHT, 0xd3, L'\\'},\r | |
66 | {BOXDRAW_DOUBLE_UP_RIGHT, 0xc8, L'\\'},\r | |
67 | {BOXDRAW_UP_LEFT_DOUBLE, 0xbe, L'/'},\r | |
68 | {BOXDRAW_UP_DOUBLE_LEFT, 0xbd, L'/'},\r | |
69 | {BOXDRAW_DOUBLE_UP_LEFT, 0xbc, L'/'},\r | |
70 | {BOXDRAW_VERTICAL_RIGHT_DOUBLE, 0xc6, L'|'},\r | |
71 | {BOXDRAW_VERTICAL_DOUBLE_RIGHT, 0xc7, L'|'},\r | |
72 | {BOXDRAW_DOUBLE_VERTICAL_RIGHT, 0xcc, L'|'},\r | |
73 | {BOXDRAW_VERTICAL_LEFT_DOUBLE, 0xb5, L'|'},\r | |
74 | {BOXDRAW_VERTICAL_DOUBLE_LEFT, 0xb6, L'|'},\r | |
75 | {BOXDRAW_DOUBLE_VERTICAL_LEFT, 0xb9, L'|'},\r | |
76 | {BOXDRAW_DOWN_HORIZONTAL_DOUBLE, 0xd1, L'+'},\r | |
77 | {BOXDRAW_DOWN_DOUBLE_HORIZONTAL, 0xd2, L'+'},\r | |
78 | {BOXDRAW_DOUBLE_DOWN_HORIZONTAL, 0xcb, L'+'},\r | |
79 | {BOXDRAW_UP_HORIZONTAL_DOUBLE, 0xcf, L'+'},\r | |
80 | {BOXDRAW_UP_DOUBLE_HORIZONTAL, 0xd0, L'+'},\r | |
81 | {BOXDRAW_DOUBLE_UP_HORIZONTAL, 0xca, L'+'},\r | |
82 | {BOXDRAW_VERTICAL_HORIZONTAL_DOUBLE, 0xd8, L'+'},\r | |
83 | {BOXDRAW_VERTICAL_DOUBLE_HORIZONTAL, 0xd7, L'+'},\r | |
84 | {BOXDRAW_DOUBLE_VERTICAL_HORIZONTAL, 0xce, L'+'},\r | |
85 | \r | |
86 | {BLOCKELEMENT_FULL_BLOCK, 0xdb, L'*'},\r | |
87 | {BLOCKELEMENT_LIGHT_SHADE, 0xb0, L'+'},\r | |
88 | \r | |
89 | {GEOMETRICSHAPE_UP_TRIANGLE, 0x1e, L'^'},\r | |
90 | {GEOMETRICSHAPE_RIGHT_TRIANGLE, 0x10, L'>'},\r | |
91 | {GEOMETRICSHAPE_DOWN_TRIANGLE, 0x1f, L'v'},\r | |
92 | {GEOMETRICSHAPE_LEFT_TRIANGLE, 0x11, L'<'},\r | |
93 | \r | |
94 | {ARROW_LEFT, 0x3c, L'<'},\r | |
95 | \r | |
96 | {ARROW_UP, 0x18, L'^'},\r | |
97 | \r | |
98 | {ARROW_RIGHT, 0x3e, L'>'},\r | |
99 | \r | |
100 | {ARROW_DOWN, 0x19, L'v'},\r | |
3eb9473e | 101 | \r |
57d40fe2 | 102 | {0x0000, 0x00, L'\0'},\r |
3eb9473e | 103 | };\r |
104 | \r | |
105 | \r | |
106 | BOOLEAN\r | |
107 | LibIsValidTextGraphics (\r | |
108 | IN CHAR16 Graphic,\r | |
109 | OUT CHAR8 *PcAnsi, OPTIONAL\r | |
110 | OUT CHAR8 *Ascii OPTIONAL\r | |
111 | )\r | |
112 | /*++\r | |
113 | \r | |
114 | Routine Description:\r | |
115 | \r | |
116 | Detects if a Unicode char is for Box Drawing text graphics.\r | |
117 | \r | |
118 | Arguments:\r | |
119 | \r | |
120 | Grphic - Unicode char to test.\r | |
121 | \r | |
122 | PcAnsi - Optional pointer to return PCANSI equivalent of Graphic.\r | |
123 | \r | |
124 | Asci - Optional pointer to return Ascii equivalent of Graphic.\r | |
125 | \r | |
126 | Returns:\r | |
127 | \r | |
128 | TRUE if Gpaphic is a supported Unicode Box Drawing character.\r | |
129 | \r | |
130 | --*/\r | |
131 | {\r | |
132 | UNICODE_TO_CHAR *Table;\r | |
133 | \r | |
134 | if ((((Graphic & 0xff00) != 0x2500) && ((Graphic & 0xff00) != 0x2100))) {\r | |
135 | \r | |
136 | //\r | |
137 | // Unicode drawing code charts are all in the 0x25xx range, \r | |
138 | // arrows are 0x21xx\r | |
139 | //\r | |
140 | return FALSE;\r | |
141 | }\r | |
142 | \r | |
143 | for (Table = UnicodeToPcAnsiOrAscii; Table->Unicode != 0x0000; Table++) {\r | |
144 | if (Graphic == Table->Unicode) {\r | |
145 | if (PcAnsi != NULL) {\r | |
146 | *PcAnsi = Table->PcAnsi; \r | |
147 | }\r | |
148 | if (Ascii != NULL) {\r | |
149 | *Ascii = Table->Ascii;\r | |
150 | }\r | |
151 | return TRUE;\r | |
152 | }\r | |
153 | }\r | |
154 | return FALSE;\r | |
155 | }\r | |
156 | \r | |
157 | \r | |
158 | BOOLEAN\r | |
159 | IsValidAscii (\r | |
160 | IN CHAR16 Ascii\r | |
161 | )\r | |
162 | /*++\r | |
163 | \r | |
164 | Routine Description:\r | |
165 | \r | |
166 | Is it valid ascii char? \r | |
167 | \r | |
168 | Arguments:\r | |
169 | \r | |
170 | Ascii - The char to check\r | |
171 | \r | |
172 | Returns: \r | |
173 | \r | |
174 | TRUE - Is a ascii char\r | |
175 | FALSE - Not a ascii char\r | |
176 | \r | |
177 | --*/\r | |
178 | {\r | |
179 | if ((Ascii >= 0x20) && (Ascii <= 0x7f)) {\r | |
180 | return TRUE;\r | |
181 | } \r | |
182 | return FALSE;\r | |
183 | }\r | |
184 | \r | |
185 | \r | |
186 | BOOLEAN\r | |
187 | IsValidEfiCntlChar (\r | |
188 | IN CHAR16 CharC\r | |
189 | )\r | |
190 | /*++\r | |
191 | \r | |
192 | Routine Description:\r | |
193 | \r | |
194 | Is it valid EFI control char? \r | |
195 | \r | |
196 | Arguments:\r | |
197 | \r | |
198 | Ascii - The char to check\r | |
199 | \r | |
200 | Returns: \r | |
201 | \r | |
202 | TRUE - Is a valid EFI control char\r | |
203 | FALSE - Not a valid EFI control char\r | |
204 | \r | |
205 | --*/\r | |
206 | {\r | |
207 | if (CharC == CHAR_NULL || CharC == CHAR_BACKSPACE || CharC == CHAR_LINEFEED || CharC == CHAR_CARRIAGE_RETURN) {\r | |
208 | return TRUE;\r | |
209 | } \r | |
210 | return FALSE;\r | |
211 | }\r | |
212 | \r |