ReactOS 0.4.15-dev-8419-g7f0e8a3
strtoclr.c
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1/*
2 * STRTOCLR.C - read color (for color command and other)
3 *
4 *
5 * History:
6 *
7 * 07-Oct-1999 (Paolo Pantaleo)
8 * Started.
9 *
10 */
11
12/*
13 * Only
14 * BOOL StringToColor(LPWORD lpColor, LPTSTR*str)
15 * has to be called.
16 * Other are internal service functions.
17 */
18
19#include "precomp.h"
20
21#define _B FOREGROUND_BLUE
22#define _G FOREGROUND_GREEN
23#define _R FOREGROUND_RED
24#define _I FOREGROUND_INTENSITY
25
26
27/* Return values for chop_blank */
28#define CP_OK 0
29#define CP_BLANK_NOT_FOUND 1
30#define CP_END_OF_STRING 2
31
32/* NOTE: See the description for these flags in the StringToColor()'s description */
33#define SC_HEX 0x0100
34#define SC_TXT 0x0200
35
36
37typedef struct _CLRTABLE
38{
42
43
45{
46 {_T("bla"), 0 },
47 {_T("blu"), _B },
48 {_T("gre"), _G },
49 {_T("cya"), _B|_G },
50 {_T("red"), _R },
51 {_T("mag"), _B|_R },
52 {_T("yel"), _R|_G },
53 {_T("whi"), _R|_G|_B },
54 {_T("gra"), _I },
55
56 {_T("0") , 0 },
57 {_T("2") , _G },
58 {_T("3") , _B|_G },
59 {_T("4") , _R },
60 {_T("5") , _B|_R },
61 {_T("6") , _R|_G },
62 {_T("7") , _R|_G|_B },
63
64 {_T("8") , _I },
65 {_T("9") , _I|_B },
66 {_T("10") , _I|_G },
67 {_T("11") , _I|_B|_G },
68 {_T("12") , _I|_R },
69 {_T("13") , _I|_B|_R },
70 {_T("14") , _I|_R|_G },
71 {_T("15") , _I|_R|_G|_B },
72
73 /*
74 * Note that 1 is at the end of list
75 * to avoid to confuse it with 10-15
76 */
77 {_T("1") , _B },
78
79 /* Cyan synonym */
80 {_T("aqu"), _B|_G },
81 /* Magenta synonym */
82 {_T("pur"), _B|_R },
83
84 {_T("") ,0},
85};
86
87
88/*
89 * Move string pointer to next word (skip all spaces).
90 * On error return nonzero value.
91 */
92static
94{
95 LPTSTR str;
96 str = _tcschr(*arg_str,_T(' '));
97 if (!str)
98 {
99 str = _tcschr (*arg_str, _T('\0'));
100 if (str != NULL)
101 *arg_str=str;
102 return CP_BLANK_NOT_FOUND;
103 }
104
105 while(_istspace(*str))
106 str++;
107
108 if (*str == _T('\0'))
109 {
110 *arg_str=str;
111 return CP_END_OF_STRING;
112 }
113
114 *arg_str = str;
115
116 return CP_OK;
117}
118
119
120/*
121 * Read a color value in hex (like win nt's cmd syntax).
122 * If an error occurs return -1.
123 */
124static
126{
127 WORD ret= (WORD)-1;
128 TCHAR ch;
129
130 ch = str[1];
131
132 if (_istdigit(ch))
133 ret = ch-_T('0');
134 else
135 {
136 ch=_totupper(ch);
137
138 if ( ch >= _T('A') && ch <= _T('F') )
139 ret = ch-_T('A')+10;
140 else
141 return (WORD)-1;
142 }
143
144 ch = str[0];
145
146 if (_istdigit(ch))
147 ret |= (ch-_T('0')) << 4;
148 else
149 {
150 ch=_totupper(ch);
151
152 if ( ch >= _T('A') && ch <= _T('F') )
153 ret |= (ch-_T('A')+10) <<4;
154 else
155 return (WORD)-1;
156 }
157
158 return ret;
159}
160
161
162/*
163 * Read a color value from a string (like 4nt's syntax).
164 * If an error occurs return -1.
165 */
166static
168{
169 INT i;
170
171 for(i = 0; *(clrtable[i].name); i++)
173 return clrtable[i].val;
174
175 return (WORD)-1;
176}
177
178
179/* Search for "x on y" */
180static
182{
183 LPTSTR str;
184 BOOL bBri;
185
186 WORD tmp_clr,ret_clr;
187
188 str = *arg_str;
189
190 if (!(*str))
191 return (WORD)-1;
192
193 /* foreground */
194 bBri = FALSE;
195
196 if (_tcsnicmp(str,_T("bri"),3) == 0)
197 {
198 bBri = TRUE;
199
200 if (chop_blank(&str))
201 return (WORD)-1;
202 }
203
204 if ((tmp_clr = txt_clr(str)) == (WORD)-1)
205 {
206 return (WORD)-1;
207 }
208
209 /* skip spaces and "on" keyword */
210 if (chop_blank(&str) || chop_blank(&str))
211 return (WORD)-1;
212
213 ret_clr = tmp_clr | (bBri << 3);
214
215 /* background */
216 bBri = FALSE;
217
218 if (_tcsnicmp(str,_T("bri"),3) == 0 )
219 {
220 bBri = TRUE;
221
222 if (chop_blank(&str))
223 return (WORD)-1;
224 }
225
226 if ( (tmp_clr = txt_clr(str)) == (WORD)-1 )
227 return (WORD)-1;
228
229 chop_blank(&str);
230
231 *arg_str = str;
232
233 /* NOTE: See the note on SC_HEX in the StringToColor()'s description */
234 return /* SC_HEX | */ ret_clr | tmp_clr << 4 | bBri << 7;
235}
236
237
238/**** Main function ****/
239/*
240 * The only parameter is arg_str, a pointer to a string.
241 * The string is modified so it will begin to first word after
242 * color specification
243 * (only the char* is moved, no chars in the string are modified).
244 *
245 * **** NOTE: The following functionality is deactivated ****
246 * it returns the color in the l.o. byte, plus two flags in the
247 * h.o. byte, they are:
248 * SC_HEX win nt's cmd syntax (for example a0)
249 * SC_TXT 4nt's syntax ( "bri gre on bla" or "10 on 0")
250 * **********************************************************
251 *
252 * If success also move the LPTSTR to end of
253 * string that specify color.
254 */
256{
257 WORD wRet;
258
259 wRet = str_to_color (str);
260 if (wRet == (WORD)-1)
261 {
262 wRet=hex_clr (*str);
263 chop_blank (str);
264 if (wRet == (WORD)-1)
265 return FALSE;
266 }
267
268 *lpColor = wRet;
269
270 return TRUE;
271}
272
273/* EOF */
#define NULL
Definition: types.h:112
#define TRUE
Definition: types.h:120
#define FALSE
Definition: types.h:117
unsigned int BOOL
Definition: ntddk_ex.h:94
unsigned short WORD
Definition: ntddk_ex.h:93
GLuint GLfloat * val
Definition: glext.h:7180
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
#define _istspace
Definition: tchar.h:1504
#define _istdigit
Definition: tchar.h:1494
#define _totupper
Definition: tchar.h:1509
#define _tcschr
Definition: tchar.h:1406
const WCHAR * str
static INT chop_blank(LPTSTR *arg_str)
Definition: strtoclr.c:93
CLRTABLE clrtable[]
Definition: strtoclr.c:44
static WORD hex_clr(LPTSTR str)
Definition: strtoclr.c:125
#define CP_END_OF_STRING
Definition: strtoclr.c:30
#define _I
Definition: strtoclr.c:24
#define _R
Definition: strtoclr.c:23
#define CP_BLANK_NOT_FOUND
Definition: strtoclr.c:29
#define _B
Definition: strtoclr.c:21
#define CP_OK
Definition: strtoclr.c:28
static WORD str_to_color(LPTSTR *arg_str)
Definition: strtoclr.c:181
BOOL StringToColor(LPWORD lpColor, LPTSTR *str)
Definition: strtoclr.c:255
static WORD txt_clr(LPTSTR str)
Definition: strtoclr.c:167
#define _G
Definition: strtoclr.c:22
struct _CLRTABLE CLRTABLE
LPTSTR name
Definition: strtoclr.c:39
WORD val
Definition: strtoclr.c:40
Definition: name.c:39
uint16_t * LPWORD
Definition: typedefs.h:56
int32_t INT
Definition: typedefs.h:58
#define _T(x)
Definition: vfdio.h:22
int ret
char TCHAR
Definition: xmlstorage.h:189
#define _tcsnicmp
Definition: xmlstorage.h:207
CHAR * LPTSTR
Definition: xmlstorage.h:192
#define _tcslen
Definition: xmlstorage.h:198