+++ /dev/null
-/*
- * STRTOCLR.C - read color (for color command and other)
- *
- *
- * History:
- *
- * 07-Oct-1999 (Paolo Pantaleo)
- * Started.
- *
- *
- */
-
-/*only
-BOOL StringToColor(LPWORD lpColor, LPTSTR*str)
-is to be called
-other are internal service functions*/
-
-
-#include <precomp.h>
-
-#define _B FOREGROUND_BLUE
-#define _G FOREGROUND_GREEN
-#define _R FOREGROUND_RED
-#define _I FOREGROUND_INTENSITY
-
-
-/*return values for chop_blank*/
-#define CP_OK 0
-#define CP_BLANK_NOT_FOUND 1
-#define CP_END_OF_STRING 2
-
-#define SC_HEX 0x0100
-#define SC_TXT 0x0200
-
-
-
-typedef struct _CLRTABLE
-{
- LPTSTR name;
- WORD val;
-} CLRTABLE;
-
-
-CLRTABLE clrtable[] =
-{
- {_T("bla") ,0 },
- {_T("blu") ,_B },
- {_T("gre") ,_G },
- {_T("cya") ,_B|_G },
- {_T("red") ,_R },
- {_T("mag") ,_B|_R },
- {_T("yel") ,_R|_G },
- {_T("whi") ,_R|_G|_B },
- {_T("gra") ,_I },
-
-
- {_T("0") ,0 },
- {_T("2") ,_G },
- {_T("3") ,_B|_G },
- {_T("4") ,_R },
- {_T("5") ,_B|_R },
- {_T("6") ,_R|_G },
- {_T("7") ,_R|_G|_B },
-
- {_T("8") ,_I },
- {_T("9") ,_I|_B },
- {_T("10") ,_I|_G },
- {_T("11") ,_I|_B|_G },
- {_T("12") ,_I|_R },
- {_T("13") ,_I|_B|_R },
- {_T("14") ,_I|_R|_G },
- {_T("15") ,_I|_R|_G|_B },
-
-
- /* note that 1 is at the end of list
- to avoid to confuse it with 10-15*/
- {_T("1") ,_B },
-
- /*cyan synonimous*/
- {_T("aqu") ,_B|_G },
- /*magenta synonimous*/
- {_T("pur") ,_B|_R },
-
-
- {_T("") ,0},
-};
-
-
-
-/*
-move string pointer to next word (skip all spaces)
-on erro retunr nonzero value
-*/
-static
-INT chop_blank(LPTSTR *arg_str)
-{
-
- LPTSTR str;
- str = _tcschr(*arg_str,_T(' '));
- if(!str)
- {
- str = _tcschr (*arg_str, _T('\0'));
- if(str != NULL)
- *arg_str=str;
- return CP_BLANK_NOT_FOUND;
- }
-
-
-
- while(_istspace(*str))
- str++;
-
- if (*str == _T('\0'))
- {
- *arg_str=str;
- return CP_END_OF_STRING;
- }
-
- *arg_str = str;
-
- return CP_OK;
-}
-
-
-
-/*
-read a color value in hex (like win nt's cmd syntax)
-if an error occurs return -1
-*/
-static
-WORD hex_clr(LPTSTR str)
-{
- WORD ret= (WORD)-1;
- TCHAR ch;
-
- ch = str[1];
-
- if(_istdigit(ch))
- ret = ch-_T('0');
- else
- {
- ch=_totupper(ch);
-
- if( ch >= _T('A') && ch <= _T('F') )
- ret = ch-_T('A')+10;
- else
- return (WORD)-1;
- }
-
-
- ch = str[0];
-
- if(_istdigit(ch))
- ret |= (ch-_T('0')) << 4;
- else
- {
- ch=_totupper(ch);
-
- if( ch >= _T('A') && ch <= _T('F') )
- ret |= (ch-_T('A')+10) <<4;
- else
- return (WORD)-1;
- }
-
- return ret;
-}
-
-
-/*
-read a color value from a string (like 4nt's syntax)
-if an error occurs return -1
-*/
-static
-WORD txt_clr(LPTSTR str)
-{
- INT i;
-
- for(i = 0; *(clrtable[i].name); i++)
- if (_tcsnicmp(str, clrtable[i].name, _tcslen(clrtable[i].name)) == 0)
- return clrtable[i].val;
-
- return (WORD)-1;
-}
-
-
-
-/*search for x on y*/
-static
-WORD str_to_color(LPTSTR* arg_str)
-{
- LPTSTR str;
- BOOL bBri;
-
- WORD tmp_clr,ret_clr;
-
- str = *arg_str;
-
- if (!(*str))
- return (WORD)-1;
-
-
- /*foreground*/
- bBri = FALSE;
-
- if (_tcsnicmp(str,_T("bri"),3) == 0)
- {
- bBri = TRUE;
-
- if (chop_blank(&str))
- return (WORD)-1;
- }
-
- if ((tmp_clr = txt_clr(str)) == (WORD)-1)
- {
- return (WORD)-1;
- }
-
- /*skip spaces and "on"*/
- if (chop_blank(&str) || chop_blank(&str))
- return (WORD)-1;
-
- ret_clr = tmp_clr | (bBri << 3);
-
- /*background*/
- bBri = FALSE;
-
- if(_tcsnicmp(str,_T("bri"),3) == 0 )
- {
- bBri = TRUE;
-
- if(chop_blank(&str))
- return (WORD)-1;
- }
-
-
- if( (tmp_clr = txt_clr(str)) == (WORD)-1 )
- return (WORD)-1;
-
- chop_blank(&str);
-
- *arg_str = str;
-
- return SC_HEX | ret_clr | tmp_clr << 4 | bBri << 7;
-}
-
-
-
-/****main function****/
-/*
-the only parameter is arg_str, a pointer to a string.
-the string is modified so it will begin to first word after
-color specification
-(only the char* is moved, no chars in the string are modfied)
-
-
-it returns the color in the l.o. byte, plus two flags in the
-h.o. byte, they are:
-SC_HEX win nt's cmd syntax (for exampl a0)
-SC_TXT 4nt's syntax ( "bri gre on bla" or "10 on 0")
-
-if succedes also move the LPTSTR to end of
-string that specify color
-*/
-
-
-BOOL StringToColor(LPWORD lpColor, LPTSTR*str)
-{
- WORD wRet;
-
- wRet = str_to_color (str);
- if (wRet == (WORD)-1)
- {
- wRet=hex_clr (*str);
- chop_blank (str);
- if (wRet == (WORD)-1)
- return FALSE;
- }
-
- *lpColor = wRet;
-
- return TRUE;
-}
-
-/* EOF */
projects / reactos.git / blobdiff