#include "asterisk.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include <signal.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include "asterisk/term.h"
#include "asterisk/options.h"
#include "asterisk/lock.h"
#include "asterisk/utils.h"
Go to the source code of this file.
Functions | |
int | ast_term_init (void) |
static short | convshort (char *s) |
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) |
Variables | |
static char | enddata [80] = "" |
static char | prepdata [80] = "" |
static char | quitdata [80] = "" |
static const char * | termpath [] |
static int | vt100compat |
Definition in file term.c.
int ast_term_init | ( | void | ) |
Provided by term.c
Definition at line 75 of file term.c.
References ast_opt_console, ast_opt_no_color, ATTR_BRIGHT, ATTR_RESET, COLOR_BLACK, COLOR_BROWN, COLOR_WHITE, convshort(), and ESC.
Referenced by main().
00076 { 00077 char *term = getenv("TERM"); 00078 char termfile[256] = ""; 00079 char buffer[512] = ""; 00080 int termfd = -1, parseokay = 0, i; 00081 00082 if (ast_opt_no_color) { 00083 return 0; 00084 } 00085 00086 if (!ast_opt_console) { 00087 /* If any remote console is not compatible, we'll strip the color codes at that point */ 00088 vt100compat = 1; 00089 goto end; 00090 } 00091 00092 if (!term) { 00093 return 0; 00094 } 00095 00096 for (i = 0;; i++) { 00097 if (termpath[i] == NULL) { 00098 break; 00099 } 00100 snprintf(termfile, sizeof(termfile), "%s/%c/%s", termpath[i], *term, term); 00101 termfd = open(termfile, O_RDONLY); 00102 if (termfd > -1) { 00103 break; 00104 } 00105 } 00106 if (termfd > -1) { 00107 int actsize = read(termfd, buffer, sizeof(buffer) - 1); 00108 short sz_names = convshort(buffer + 2); 00109 short sz_bools = convshort(buffer + 4); 00110 short n_nums = convshort(buffer + 6); 00111 00112 /* if ((sz_names + sz_bools) & 1) 00113 sz_bools++; */ 00114 00115 if (sz_names + sz_bools + n_nums < actsize) { 00116 /* Offset 13 is defined in /usr/include/term.h, though we do not 00117 * include it here, as it conflicts with include/asterisk/term.h */ 00118 short max_colors = convshort(buffer + 12 + sz_names + sz_bools + 13 * 2); 00119 if (max_colors > 0) { 00120 vt100compat = 1; 00121 } 00122 parseokay = 1; 00123 } 00124 close(termfd); 00125 } 00126 00127 if (!parseokay) { 00128 /* These comparisons should not be substrings nor case-insensitive, as 00129 * terminal types are very particular about how they treat suffixes and 00130 * capitalization. For example, terminal type 'linux-m' does NOT 00131 * support color, while 'linux' does. Not even all vt100* terminals 00132 * support color, either (e.g. 'vt100+fnkeys'). */ 00133 if (!strcmp(term, "linux")) { 00134 vt100compat = 1; 00135 } else if (!strcmp(term, "xterm")) { 00136 vt100compat = 1; 00137 } else if (!strcmp(term, "xterm-color")) { 00138 vt100compat = 1; 00139 } else if (!strncmp(term, "Eterm", 5)) { 00140 /* Both entries which start with Eterm support color */ 00141 vt100compat = 1; 00142 } else if (!strcmp(term, "vt100")) { 00143 vt100compat = 1; 00144 } else if (!strncmp(term, "crt", 3)) { 00145 /* Both crt terminals support color */ 00146 vt100compat = 1; 00147 } 00148 } 00149 00150 end: 00151 if (vt100compat) { 00152 /* Make commands show up in nice colors */ 00153 snprintf(prepdata, sizeof(prepdata), "%c[%d;%d;%dm", ESC, ATTR_BRIGHT, COLOR_BROWN, COLOR_BLACK + 10); 00154 snprintf(enddata, sizeof(enddata), "%c[%d;%d;%dm", ESC, ATTR_RESET, COLOR_WHITE, COLOR_BLACK + 10); 00155 snprintf(quitdata, sizeof(quitdata), "%c[0m", ESC); 00156 } 00157 return 0; 00158 }
static short convshort | ( | char * | s | ) | [static] |
Definition at line 60 of file term.c.
Referenced by ast_term_init().
00061 { 00062 register int a,b; 00063 00064 a = (int) s[0] & 0377; 00065 b = (int) s[1] & 0377; 00066 00067 if (a == 0377 && b == 0377) 00068 return -1; 00069 if (a == 0376 && b == 0377) 00070 return -2; 00071 00072 return a + b * 256; 00073 }
char* term_color | ( | char * | outbuf, | |
const char * | inbuf, | |||
int | fgcolor, | |||
int | bgcolor, | |||
int | maxout | |||
) |
Definition at line 160 of file term.c.
References ast_copy_string(), ATTR_BRIGHT, COLOR_BLACK, COLOR_WHITE, and ESC.
Referenced by __ast_register_translator(), ast_frame_dump(), ast_log(), ast_register_application(), ast_unregister_translator(), fix_header(), handle_dahdi_show_cadences(), handle_show_application(), handle_show_application_deprecated(), handle_show_function(), handle_show_function_deprecated(), load_resource(), main(), pbx_extension_helper(), realtime_exec(), and show_config_description().
00161 { 00162 int attr=0; 00163 char tmp[40]; 00164 if (!vt100compat) { 00165 ast_copy_string(outbuf, inbuf, maxout); 00166 return outbuf; 00167 } 00168 if (!fgcolor && !bgcolor) { 00169 ast_copy_string(outbuf, inbuf, maxout); 00170 return outbuf; 00171 } 00172 if ((fgcolor & 128) && (bgcolor & 128)) { 00173 /* Can't both be highlighted */ 00174 ast_copy_string(outbuf, inbuf, maxout); 00175 return outbuf; 00176 } 00177 if (!bgcolor) 00178 bgcolor = COLOR_BLACK; 00179 00180 if (bgcolor) { 00181 bgcolor &= ~128; 00182 bgcolor += 10; 00183 } 00184 if (fgcolor & 128) { 00185 attr = ATTR_BRIGHT; 00186 fgcolor &= ~128; 00187 } 00188 if (fgcolor && bgcolor) { 00189 snprintf(tmp, sizeof(tmp), "%d;%d", fgcolor, bgcolor); 00190 } else if (bgcolor) { 00191 snprintf(tmp, sizeof(tmp), "%d", bgcolor); 00192 } else if (fgcolor) { 00193 snprintf(tmp, sizeof(tmp), "%d", fgcolor); 00194 } 00195 if (attr) { 00196 snprintf(outbuf, maxout, "%c[%d;%sm%s%c[0;%d;%dm", ESC, attr, tmp, inbuf, ESC, COLOR_WHITE, COLOR_BLACK + 10); 00197 } else { 00198 snprintf(outbuf, maxout, "%c[%sm%s%c[0;%d;%dm", ESC, tmp, inbuf, ESC, COLOR_WHITE, COLOR_BLACK + 10); 00199 } 00200 return outbuf; 00201 }
char* term_color_code | ( | char * | outbuf, | |
int | fgcolor, | |||
int | bgcolor, | |||
int | maxout | |||
) |
Definition at line 203 of file term.c.
References ATTR_BRIGHT, COLOR_BLACK, and ESC.
Referenced by cli_prompt().
00204 { 00205 int attr=0; 00206 char tmp[40]; 00207 if ((!vt100compat) || (!fgcolor && !bgcolor)) { 00208 *outbuf = '\0'; 00209 return outbuf; 00210 } 00211 if ((fgcolor & 128) && (bgcolor & 128)) { 00212 /* Can't both be highlighted */ 00213 *outbuf = '\0'; 00214 return outbuf; 00215 } 00216 if (!bgcolor) 00217 bgcolor = COLOR_BLACK; 00218 00219 if (bgcolor) { 00220 bgcolor &= ~128; 00221 bgcolor += 10; 00222 } 00223 if (fgcolor & 128) { 00224 attr = ATTR_BRIGHT; 00225 fgcolor &= ~128; 00226 } 00227 if (fgcolor && bgcolor) { 00228 snprintf(tmp, sizeof(tmp), "%d;%d", fgcolor, bgcolor); 00229 } else if (bgcolor) { 00230 snprintf(tmp, sizeof(tmp), "%d", bgcolor); 00231 } else if (fgcolor) { 00232 snprintf(tmp, sizeof(tmp), "%d", fgcolor); 00233 } 00234 if (attr) { 00235 snprintf(outbuf, maxout, "%c[%d;%sm", ESC, attr, tmp); 00236 } else { 00237 snprintf(outbuf, maxout, "%c[%sm", ESC, tmp); 00238 } 00239 return outbuf; 00240 }
char* term_end | ( | void | ) |
Definition at line 305 of file term.c.
Referenced by consolehandler(), and main().
00306 { 00307 return enddata; 00308 }
void term_filter_escapes | ( | char * | line | ) |
Definition at line 278 of file term.c.
Referenced by ast_log(), and ast_verbose().
00279 { 00280 int i; 00281 int len = strlen(line); 00282 00283 for (i = 0; i < len; i++) { 00284 if (line[i] != ESC) 00285 continue; 00286 if ((i < (len - 2)) && 00287 (line[i + 1] == 0x5B)) { 00288 switch (line[i + 2]) { 00289 case 0x30: 00290 case 0x31: 00291 case 0x33: 00292 continue; 00293 } 00294 } 00295 /* replace ESC with a space */ 00296 line[i] = ' '; 00297 } 00298 }
char* term_prep | ( | void | ) |
char* term_prompt | ( | char * | outbuf, | |
const char * | inbuf, | |||
int | maxout | |||
) |
Definition at line 263 of file term.c.
References ast_copy_string(), ATTR_BRIGHT, COLOR_BLACK, COLOR_BLUE, COLOR_WHITE, and ESC.
00264 { 00265 if (!vt100compat) { 00266 ast_copy_string(outbuf, inbuf, maxout); 00267 return outbuf; 00268 } 00269 snprintf(outbuf, maxout, "%c[%d;%d;%dm%c%c[%d;%d;%dm%s", 00270 ESC, ATTR_BRIGHT, COLOR_BLUE, COLOR_BLACK + 10, 00271 inbuf[0], 00272 ESC, 0, COLOR_WHITE, COLOR_BLACK + 10, 00273 inbuf + 1); 00274 return outbuf; 00275 }
char* term_quit | ( | void | ) |
Definition at line 310 of file term.c.
Referenced by ast_el_read_char(), main(), and quit_handler().
00311 { 00312 return quitdata; 00313 }
char* term_strip | ( | char * | outbuf, | |
char * | inbuf, | |||
int | maxout | |||
) |
Definition at line 242 of file term.c.
References ESC.
Referenced by __verboser(), action_command(), ast_log(), and ast_log_vsyslog().
00243 { 00244 char *outbuf_ptr = outbuf, *inbuf_ptr = inbuf; 00245 00246 while (outbuf_ptr < outbuf + maxout) { 00247 switch (*inbuf_ptr) { 00248 case ESC: 00249 while (*inbuf_ptr && (*inbuf_ptr != 'm')) 00250 inbuf_ptr++; 00251 break; 00252 default: 00253 *outbuf_ptr = *inbuf_ptr; 00254 outbuf_ptr++; 00255 } 00256 if (! *inbuf_ptr) 00257 break; 00258 inbuf_ptr++; 00259 } 00260 return outbuf; 00261 }
int vt100compat [static] |