Wed Oct 28 11:53:19 2009

Asterisk developer's documentation


term.h File Reference

Handy terminal functions for vt* terms. More...

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Defines

#define ESC   0x1b
Terminal Attributes
#define ATTR_BLINK   5
#define ATTR_BRIGHT   1
#define ATTR_DIM   2
#define ATTR_HIDDEN   8
#define ATTR_RESET   0
#define ATTR_REVER   7
#define ATTR_UNDER   4
Terminal Colors
#define COLOR_BLACK   30
#define COLOR_BLUE   34
#define COLOR_BRBLUE   (34 | 128)
#define COLOR_BRCYAN   (36 | 128)
#define COLOR_BRGREEN   (32 | 128)
#define COLOR_BRMAGENTA   (35 | 128)
#define COLOR_BROWN   33
#define COLOR_BRRED   (31 | 128)
#define COLOR_BRWHITE   (37 | 128)
#define COLOR_CYAN   36
#define COLOR_GRAY   (30 | 128)
#define COLOR_GREEN   32
#define COLOR_MAGENTA   35
#define COLOR_RED   31
#define COLOR_WHITE   37
#define COLOR_YELLOW   (33 | 128)

Functions

char * term_color (char *outbuf, const char *inbuf, int fgcolor, int bgcolor, int maxout)
char * term_color_code (char *outbuf, int fgcolor, int bgcolor, int maxout)
char * term_end (void)
void term_filter_escapes (char *line)
char * term_prep (void)
char * term_prompt (char *outbuf, const char *inbuf, int maxout)
char * term_quit (void)
char * term_strip (char *outbuf, char *inbuf, int maxout)


Detailed Description

Handy terminal functions for vt* terms.

Definition in file term.h.


Define Documentation

#define ATTR_BLINK   5

Definition at line 39 of file term.h.

#define ATTR_BRIGHT   1

Definition at line 36 of file term.h.

Referenced by ast_term_init(), term_color(), term_color_code(), and term_prompt().

#define ATTR_DIM   2

Definition at line 37 of file term.h.

#define ATTR_HIDDEN   8

Definition at line 41 of file term.h.

#define ATTR_RESET   0

Definition at line 35 of file term.h.

Referenced by ast_term_init().

#define ATTR_REVER   7

Definition at line 40 of file term.h.

#define ATTR_UNDER   4

Definition at line 38 of file term.h.

#define COLOR_BLACK   30

#define COLOR_BLUE   34

Definition at line 55 of file term.h.

Referenced by term_prompt().

#define COLOR_BRBLUE   (34 | 128)

Definition at line 56 of file term.h.

#define COLOR_BRCYAN   (36 | 128)

#define COLOR_BRGREEN   (32 | 128)

Definition at line 52 of file term.h.

Referenced by ast_frame_dump().

#define COLOR_BRMAGENTA   (35 | 128)

Definition at line 58 of file term.h.

Referenced by ast_frame_dump(), lua_pbx_exec(), pbx_extension_helper(), and realtime_exec().

#define COLOR_BROWN   33

Definition at line 53 of file term.h.

Referenced by ast_term_init(), and start_resource().

#define COLOR_BRRED   (31 | 128)

Definition at line 50 of file term.h.

Referenced by ast_frame_dump().

#define COLOR_BRWHITE   (37 | 128)

Definition at line 62 of file term.h.

Referenced by logger_print_normal(), main(), and show_config_description().

#define COLOR_CYAN   36

Definition at line 59 of file term.h.

Referenced by handle_show_application(), and handle_show_function().

#define COLOR_GRAY   (30 | 128)

Definition at line 48 of file term.h.

Referenced by fix_header().

#define COLOR_GREEN   32

Definition at line 51 of file term.h.

Referenced by handle_dahdi_show_cadences().

#define COLOR_MAGENTA   35

#define COLOR_RED   31

Definition at line 49 of file term.h.

#define COLOR_WHITE   37

Definition at line 61 of file term.h.

Referenced by ast_term_init(), cli_prompt(), term_color(), and term_prompt().

#define COLOR_YELLOW   (33 | 128)

Definition at line 54 of file term.h.

Referenced by ast_frame_dump(), and show_config_description().

#define ESC   0x1b


Function Documentation

char* term_color ( char *  outbuf,
const char *  inbuf,
int  fgcolor,
int  bgcolor,
int  maxout 
)

Definition at line 144 of file term.c.

References ast_copy_string(), ATTR_BRIGHT, COLOR_BLACK, COLOR_WHITE, and ESC.

Referenced by __ast_custom_function_register(), __ast_register_translator(), ast_frame_dump(), ast_register_application2(), ast_unregister_translator(), fix_header(), handle_dahdi_show_cadences(), handle_show_application(), handle_show_function(), logger_print_normal(), lua_pbx_exec(), main(), pbx_extension_helper(), realtime_exec(), show_config_description(), and start_resource().

00145 {
00146    int attr = 0;
00147    char tmp[40];
00148    if (!vt100compat) {
00149       ast_copy_string(outbuf, inbuf, maxout);
00150       return outbuf;
00151    }
00152    if (!fgcolor && !bgcolor) {
00153       ast_copy_string(outbuf, inbuf, maxout);
00154       return outbuf;
00155    }
00156    if ((fgcolor & 128) && (bgcolor & 128)) {
00157       /* Can't both be highlighted */
00158       ast_copy_string(outbuf, inbuf, maxout);
00159       return outbuf;
00160    }
00161    if (!bgcolor)
00162       bgcolor = COLOR_BLACK;
00163 
00164    if (bgcolor) {
00165       bgcolor &= ~128;
00166       bgcolor += 10;
00167    }
00168    if (fgcolor & 128) {
00169       attr = ATTR_BRIGHT;
00170       fgcolor &= ~128;
00171    }
00172    if (fgcolor && bgcolor) {
00173       snprintf(tmp, sizeof(tmp), "%d;%d", fgcolor, bgcolor);
00174    } else if (bgcolor) {
00175       snprintf(tmp, sizeof(tmp), "%d", bgcolor);
00176    } else if (fgcolor) {
00177       snprintf(tmp, sizeof(tmp), "%d", fgcolor);
00178    }
00179    if (attr) {
00180       snprintf(outbuf, maxout, "%c[%d;%sm%s%c[0;%d;%dm", ESC, attr, tmp, inbuf, ESC, COLOR_WHITE, COLOR_BLACK + 10);
00181    } else {
00182       snprintf(outbuf, maxout, "%c[%sm%s%c[0;%d;%dm", ESC, tmp, inbuf, ESC, COLOR_WHITE, COLOR_BLACK + 10);
00183    }
00184    return outbuf;
00185 }

char* term_color_code ( char *  outbuf,
int  fgcolor,
int  bgcolor,
int  maxout 
)

Definition at line 187 of file term.c.

References ATTR_BRIGHT, COLOR_BLACK, and ESC.

Referenced by cli_prompt().

00188 {
00189    int attr=0;
00190    char tmp[40];
00191    if ((!vt100compat) || (!fgcolor && !bgcolor)) {
00192       *outbuf = '\0';
00193       return outbuf;
00194    }
00195    if ((fgcolor & 128) && (bgcolor & 128)) {
00196       /* Can't both be highlighted */
00197       *outbuf = '\0';
00198       return outbuf;
00199    }
00200    if (!bgcolor)
00201       bgcolor = COLOR_BLACK;
00202 
00203    if (bgcolor) {
00204       bgcolor &= ~128;
00205       bgcolor += 10;
00206    }
00207    if (fgcolor & 128) {
00208       attr = ATTR_BRIGHT;
00209       fgcolor &= ~128;
00210    }
00211    if (fgcolor && bgcolor) {
00212       snprintf(tmp, sizeof(tmp), "%d;%d", fgcolor, bgcolor);
00213    } else if (bgcolor) {
00214       snprintf(tmp, sizeof(tmp), "%d", bgcolor);
00215    } else if (fgcolor) {
00216       snprintf(tmp, sizeof(tmp), "%d", fgcolor);
00217    }
00218    if (attr) {
00219       snprintf(outbuf, maxout, "%c[%d;%sm", ESC, attr, tmp);
00220    } else {
00221       snprintf(outbuf, maxout, "%c[%sm", ESC, tmp);
00222    }
00223    return outbuf;
00224 }

char* term_end ( void   ) 

Definition at line 289 of file term.c.

Referenced by consolehandler(), and main().

00290 {
00291    return enddata;
00292 }

void term_filter_escapes ( char *  line  ) 

Definition at line 262 of file term.c.

References ESC, and len().

Referenced by ast_log().

00263 {
00264    int i;
00265    int len = strlen(line);
00266 
00267    for (i = 0; i < len; i++) {
00268       if (line[i] != ESC)
00269          continue;
00270       if ((i < (len - 2)) &&
00271           (line[i + 1] == 0x5B)) {
00272          switch (line[i + 2]) {
00273          case 0x30:
00274          case 0x31:
00275          case 0x33:
00276             continue;
00277          }
00278       }
00279       /* replace ESC with a space */
00280       line[i] = ' ';
00281    }
00282 }

char* term_prep ( void   ) 

Definition at line 284 of file term.c.

00285 {
00286    return prepdata;
00287 }

char* term_prompt ( char *  outbuf,
const char *  inbuf,
int  maxout 
)

Definition at line 247 of file term.c.

References ast_copy_string(), ATTR_BRIGHT, COLOR_BLACK, COLOR_BLUE, COLOR_WHITE, and ESC.

00248 {
00249    if (!vt100compat) {
00250       ast_copy_string(outbuf, inbuf, maxout);
00251       return outbuf;
00252    }
00253    snprintf(outbuf, maxout, "%c[%d;%d;%dm%c%c[%d;%d;%dm%s",
00254       ESC, ATTR_BRIGHT, COLOR_BLUE, COLOR_BLACK + 10,
00255       inbuf[0],
00256       ESC, 0, COLOR_WHITE, COLOR_BLACK + 10,
00257       inbuf + 1);
00258    return outbuf;
00259 }

char* term_quit ( void   ) 

Definition at line 294 of file term.c.

Referenced by ast_el_read_char(), main(), and quit_handler().

00295 {
00296    return quitdata;
00297 }

char* term_strip ( char *  outbuf,
char *  inbuf,
int  maxout 
)

Definition at line 226 of file term.c.

References ESC.

Referenced by __verboser(), action_command(), and ast_log_vsyslog().

00227 {
00228    char *outbuf_ptr = outbuf, *inbuf_ptr = inbuf;
00229 
00230    while (outbuf_ptr < outbuf + maxout) {
00231       switch (*inbuf_ptr) {
00232          case ESC:
00233             while (*inbuf_ptr && (*inbuf_ptr != 'm'))
00234                inbuf_ptr++;
00235             break;
00236          default:
00237             *outbuf_ptr = *inbuf_ptr;
00238             outbuf_ptr++;
00239       }
00240       if (! *inbuf_ptr)
00241          break;
00242       inbuf_ptr++;
00243    }
00244    return outbuf;
00245 }


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