#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.
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 (!term) 00083 return 0; 00084 if (!ast_opt_console || ast_opt_no_color || !ast_opt_no_fork) 00085 return 0; 00086 00087 for (i=0 ;; i++) { 00088 if (termpath[i] == NULL) { 00089 break; 00090 } 00091 snprintf(termfile, sizeof(termfile), "%s/%c/%s", termpath[i], *term, term); 00092 termfd = open(termfile, O_RDONLY); 00093 if (termfd > -1) { 00094 break; 00095 } 00096 } 00097 if (termfd > -1) { 00098 int actsize = read(termfd, buffer, sizeof(buffer) - 1); 00099 short sz_names = convshort(buffer + 2); 00100 short sz_bools = convshort(buffer + 4); 00101 short n_nums = convshort(buffer + 6); 00102 00103 /* if ((sz_names + sz_bools) & 1) 00104 sz_bools++; */ 00105 00106 if (sz_names + sz_bools + n_nums < actsize) { 00107 /* Offset 13 is defined in /usr/include/term.h, though we do not 00108 * include it here, as it conflicts with include/asterisk/term.h */ 00109 short max_colors = convshort(buffer + 12 + sz_names + sz_bools + 13 * 2); 00110 if (max_colors > 0) { 00111 vt100compat = 1; 00112 } 00113 parseokay = 1; 00114 } 00115 close(termfd); 00116 } 00117 00118 if (!parseokay) { 00119 /* These comparisons should not be substrings nor case-insensitive, as 00120 * terminal types are very particular about how they treat suffixes and 00121 * capitalization. For example, terminal type 'linux-m' does NOT 00122 * support color, while 'linux' does. Not even all vt100* terminals 00123 * support color, either (e.g. 'vt100+fnkeys'). */ 00124 if (!strcmp(term, "linux")) { 00125 vt100compat = 1; 00126 } else if (!strcmp(term, "xterm")) { 00127 vt100compat = 1; 00128 } else if (!strcmp(term, "xterm-color")) { 00129 vt100compat = 1; 00130 } else if (!strncmp(term, "Eterm", 5)) { 00131 /* Both entries which start with Eterm support color */ 00132 vt100compat = 1; 00133 } else if (!strcmp(term, "vt100")) { 00134 vt100compat = 1; 00135 } else if (!strncmp(term, "crt", 3)) { 00136 /* Both crt terminals support color */ 00137 vt100compat = 1; 00138 } 00139 } 00140 00141 if (vt100compat) { 00142 /* Make commands show up in nice colors */ 00143 snprintf(prepdata, sizeof(prepdata), "%c[%d;%d;%dm", ESC, ATTR_BRIGHT, COLOR_BROWN, COLOR_BLACK + 10); 00144 snprintf(enddata, sizeof(enddata), "%c[%d;%d;%dm", ESC, ATTR_RESET, COLOR_WHITE, COLOR_BLACK + 10); 00145 snprintf(quitdata, sizeof(quitdata), "%c[0m", ESC); 00146 } 00147 return 0; 00148 }
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 150 of file term.c.
Referenced by __ast_register_translator(), ast_frame_dump(), ast_log(), ast_register_application(), ast_unregister_translator(), fix_header(), handle_show_application(), handle_show_application_deprecated(), handle_show_function(), handle_show_function_deprecated(), handle_zap_show_cadences(), load_resource(), main(), pbx_extension_helper(), realtime_exec(), and show_config_description().
00151 { 00152 int attr=0; 00153 char tmp[40]; 00154 if (!vt100compat) { 00155 ast_copy_string(outbuf, inbuf, maxout); 00156 return outbuf; 00157 } 00158 if (!fgcolor && !bgcolor) { 00159 ast_copy_string(outbuf, inbuf, maxout); 00160 return outbuf; 00161 } 00162 if ((fgcolor & 128) && (bgcolor & 128)) { 00163 /* Can't both be highlighted */ 00164 ast_copy_string(outbuf, inbuf, maxout); 00165 return outbuf; 00166 } 00167 if (!bgcolor) 00168 bgcolor = COLOR_BLACK; 00169 00170 if (bgcolor) { 00171 bgcolor &= ~128; 00172 bgcolor += 10; 00173 } 00174 if (fgcolor & 128) { 00175 attr = ATTR_BRIGHT; 00176 fgcolor &= ~128; 00177 } 00178 if (fgcolor && bgcolor) { 00179 snprintf(tmp, sizeof(tmp), "%d;%d", fgcolor, bgcolor); 00180 } else if (bgcolor) { 00181 snprintf(tmp, sizeof(tmp), "%d", bgcolor); 00182 } else if (fgcolor) { 00183 snprintf(tmp, sizeof(tmp), "%d", fgcolor); 00184 } 00185 if (attr) { 00186 snprintf(outbuf, maxout, "%c[%d;%sm%s%c[0;%d;%dm", ESC, attr, tmp, inbuf, ESC, COLOR_WHITE, COLOR_BLACK + 10); 00187 } else { 00188 snprintf(outbuf, maxout, "%c[%sm%s%c[0;%d;%dm", ESC, tmp, inbuf, ESC, COLOR_WHITE, COLOR_BLACK + 10); 00189 } 00190 return outbuf; 00191 }
char* term_color_code | ( | char * | outbuf, | |
int | fgcolor, | |||
int | bgcolor, | |||
int | maxout | |||
) |
Definition at line 193 of file term.c.
Referenced by cli_prompt().
00194 { 00195 int attr=0; 00196 char tmp[40]; 00197 if ((!vt100compat) || (!fgcolor && !bgcolor)) { 00198 *outbuf = '\0'; 00199 return outbuf; 00200 } 00201 if ((fgcolor & 128) && (bgcolor & 128)) { 00202 /* Can't both be highlighted */ 00203 *outbuf = '\0'; 00204 return outbuf; 00205 } 00206 if (!bgcolor) 00207 bgcolor = COLOR_BLACK; 00208 00209 if (bgcolor) { 00210 bgcolor &= ~128; 00211 bgcolor += 10; 00212 } 00213 if (fgcolor & 128) { 00214 attr = ATTR_BRIGHT; 00215 fgcolor &= ~128; 00216 } 00217 if (fgcolor && bgcolor) { 00218 snprintf(tmp, sizeof(tmp), "%d;%d", fgcolor, bgcolor); 00219 } else if (bgcolor) { 00220 snprintf(tmp, sizeof(tmp), "%d", bgcolor); 00221 } else if (fgcolor) { 00222 snprintf(tmp, sizeof(tmp), "%d", fgcolor); 00223 } 00224 if (attr) { 00225 snprintf(outbuf, maxout, "%c[%d;%sm", ESC, attr, tmp); 00226 } else { 00227 snprintf(outbuf, maxout, "%c[%sm", ESC, tmp); 00228 } 00229 return outbuf; 00230 }
char* term_end | ( | void | ) |
Definition at line 295 of file term.c.
Referenced by consolehandler(), and main().
00296 { 00297 return enddata; 00298 }
void term_filter_escapes | ( | char * | line | ) |
Definition at line 268 of file term.c.
Referenced by ast_log(), and ast_verbose().
00269 { 00270 int i; 00271 int len = strlen(line); 00272 00273 for (i = 0; i < len; i++) { 00274 if (line[i] != ESC) 00275 continue; 00276 if ((i < (len - 2)) && 00277 (line[i + 1] == 0x5B)) { 00278 switch (line[i + 2]) { 00279 case 0x30: 00280 case 0x31: 00281 case 0x33: 00282 continue; 00283 } 00284 } 00285 /* replace ESC with a space */ 00286 line[i] = ' '; 00287 } 00288 }
char* term_prep | ( | void | ) |
char* term_prompt | ( | char * | outbuf, | |
const char * | inbuf, | |||
int | maxout | |||
) |
Definition at line 253 of file term.c.
00254 { 00255 if (!vt100compat) { 00256 ast_copy_string(outbuf, inbuf, maxout); 00257 return outbuf; 00258 } 00259 snprintf(outbuf, maxout, "%c[%d;%d;%dm%c%c[%d;%d;%dm%s", 00260 ESC, ATTR_BRIGHT, COLOR_BLUE, COLOR_BLACK + 10, 00261 inbuf[0], 00262 ESC, 0, COLOR_WHITE, COLOR_BLACK + 10, 00263 inbuf + 1); 00264 return outbuf; 00265 }
char* term_quit | ( | void | ) |
Definition at line 300 of file term.c.
Referenced by ast_el_read_char(), main(), and quit_handler().
00301 { 00302 return quitdata; 00303 }
char* term_strip | ( | char * | outbuf, | |
char * | inbuf, | |||
int | maxout | |||
) |
Definition at line 232 of file term.c.
Referenced by action_command(), ast_log(), and ast_log_vsyslog().
00233 { 00234 char *outbuf_ptr = outbuf, *inbuf_ptr = inbuf; 00235 00236 while (outbuf_ptr < outbuf + maxout) { 00237 switch (*inbuf_ptr) { 00238 case ESC: 00239 while (*inbuf_ptr && (*inbuf_ptr != 'm')) 00240 inbuf_ptr++; 00241 break; 00242 default: 00243 *outbuf_ptr = *inbuf_ptr; 00244 outbuf_ptr++; 00245 } 00246 if (! *inbuf_ptr) 00247 break; 00248 inbuf_ptr++; 00249 } 00250 return outbuf; 00251 }
int vt100compat [static] |