X-Git-Url: https://fleuret.org/cgi-bin/gitweb/gitweb.cgi?a=blobdiff_plain;f=selector.cc;h=f4d79303b68634175f00eb64db4a5e6973793f07;hb=ef2a722e9da6dc7486797d1324da95e0a88138cf;hp=fbc489104d419a7bd4b07741a8a53beca66db6d7;hpb=e4e0e3f0049a756f6da882a986cb7ad58377a890;p=selector.git diff --git a/selector.cc b/selector.cc index fbc4891..f4d7930 100644 --- a/selector.cc +++ b/selector.cc @@ -22,8 +22,9 @@ * */ -// Here is how to use it as a super-history-search -// ./selector -v -f ${HISTFILE} +// To use it as a super-history-search for bash: +// +// alias h='./selector -i -b -v -f <(history)' // This software is highly Linux-specific, but I would be glad to get // patches to make it work on other OS @@ -43,13 +44,52 @@ using namespace std; #define VERSION "1.0" +const int buffer_size = 1024; + // Yeah, global variables! -int buffer_size = 1024; -int nb_lines_max = 10000; +int nb_lines_max = 1000; char pattern_separator = ';'; int output_to_vt_buffer = 0; -int with_colors = 0; +int with_colors = 1; +int zsh_history = 0, bash_history = 0; +int inverse_order = 0; +int remove_duplicates = 0; + +////////////////////////////////////////////////////////////////////// + +// int test_and_set_hash(char *s, char **hashed, int hash_size) { + // uint32_t code = 0, mask; + // int result; + + // for(int k = 0; s[k]; k++) { + // code += ((uint32_t) (s[k])) << (8 * k%4); + // } + + // code = code%hash_table_size; + + // if(hashed[code]) { + // } else { + // } +// } + +////////////////////////////////////////////////////////////////////// + +// This looks severely Linux-only ... + +void inject_into_tty_buffer(char *line) { + struct termios oldtio, newtio; + tcgetattr(STDIN_FILENO,&oldtio); + memset(&newtio, 0, sizeof(newtio)); + // Set input mode (non-canonical, *no echo*,...) + tcsetattr(STDIN_FILENO,TCSANOW, &newtio); + // Put the selected line in the tty input buffer + for(char *k = line; *k; k++) { + ioctl(STDIN_FILENO, TIOCSTI, k); + } + // Restore the old settings + tcsetattr(STDIN_FILENO,TCSANOW, &oldtio); +} ////////////////////////////////////////////////////////////////////// @@ -92,8 +132,7 @@ int next_visible(int current_line, int nb_lines, char **lines, int nb_patterns, void update_screen(int *current_line, int *temporary_line, int motion, int nb_lines, char **lines, - char *pattern_list, - int no_blink) { + char *pattern_list) { char buffer[buffer_size]; @@ -127,8 +166,6 @@ void update_screen(int *current_line, int *temporary_line, int motion, int console_width = getmaxx(stdscr); int console_height = getmaxy(stdscr); - int nb_printed_lines = 1; - // First, we find a visible line. In priority: The current, or the // first visible after it, or the first visible before it. @@ -165,14 +202,14 @@ void update_screen(int *current_line, int *temporary_line, int motion, } } - if(!no_blink) { - clear(); - } + clear(); use_default_colors(); addstr("\n"); + int nb_printed_lines = 0; + // Here new_line is either a line number matching the patterns, or -1 if(new_line >= 0) { @@ -220,7 +257,7 @@ void update_screen(int *current_line, int *temporary_line, int motion, // We fill the rest of the line with blanks if either we did // not clear() or if this is the highlighted line - if(no_blink || l == new_line) { + if(l == new_line) { while(k < console_width) { buffer[k++] = ' '; } @@ -249,33 +286,21 @@ void update_screen(int *current_line, int *temporary_line, int motion, } } - *temporary_line = new_line; if(motion != 0) { *current_line = new_line; } } - if(nb_printed_lines == 1) { - addnstr("[no selection]\n", console_width); - nb_printed_lines++; - } + *temporary_line = new_line; - if(no_blink) { // Erase the rest of the window. That's slightly ugly. - int k = 0; - while(k < console_width) { - buffer[k++] = ' '; - } - buffer[k++] = '\n'; - buffer[k++] = '\0'; - for(int l = nb_printed_lines; l < console_height; l++) { - addnstr(buffer, console_width); - } + if(nb_printed_lines == 0) { + addnstr("[no selection]\n", console_width); } // Draw the modeline sprintf(buffer, "%d/%d pattern: %s", - nb_printed_lines - 1, + nb_printed_lines, nb_lines, pattern_list); @@ -302,16 +327,24 @@ void update_screen(int *current_line, int *temporary_line, int motion, int main(int argc, char **argv) { char buffer[buffer_size]; - char *lines[nb_lines_max]; - int no_blink = 0; - int theme = 0; + int color_fg_modeline, color_bg_modeline; + int color_fg_highlight, color_bg_highlight; + + color_fg_modeline = COLOR_WHITE; + color_bg_modeline = COLOR_BLACK; + color_fg_highlight = COLOR_BLACK; + color_bg_highlight = COLOR_YELLOW; + + setlocale(LC_ALL, ""); char input_filename[buffer_size], output_filename[buffer_size]; + strcpy(input_filename, ""); - strcpy(output_filename, "/tmp/selector.out"); + strcpy(output_filename, ""); int i = 1; while(i < argc) { + if(strcmp(argv[i], "-o") == 0) { check_opt(argc, argv, i, 1, ""); strncpy(output_filename, argv[i+1], buffer_size); @@ -329,14 +362,34 @@ int main(int argc, char **argv) { i++; } + else if(strcmp(argv[i], "-m") == 0) { + with_colors = 0; + i++; + } + else if(strcmp(argv[i], "-f") == 0) { check_opt(argc, argv, i, 1, ""); strncpy(input_filename, argv[i+1], buffer_size); i += 2; } + else if(strcmp(argv[i], "-i") == 0) { + inverse_order = 1; + i++; + } + + else if(strcmp(argv[i], "-z") == 0) { + zsh_history = 1; + i++; + } + else if(strcmp(argv[i], "-b") == 0) { - no_blink = 1; + bash_history = 1; + i++; + } + + else if(strcmp(argv[i], "-r") == 0) { + remove_duplicates = 1; i++; } @@ -346,10 +399,13 @@ int main(int argc, char **argv) { i += 2; } - else if(strcmp(argv[i], "-t") == 0) { - check_opt(argc, argv, i, 1, ""); - theme = atoi(argv[i+1]); - i += 2; + else if(strcmp(argv[i], "-c") == 0) { + check_opt(argc, argv, i, 4, " "); + color_fg_modeline = atoi(argv[i+1]); + color_bg_modeline = atoi(argv[i+2]); + color_fg_highlight = atoi(argv[i+3]); + color_bg_highlight = atoi(argv[i+4]); + i += 5; } else { @@ -359,9 +415,12 @@ int main(int argc, char **argv) { << endl << argv[0] << " [-h]" - << " [-b]" << " [-v]" - << " [-t ]" + << " [-m]" + << " [-r]" + << " [-z]" + << " [-i]" + << " [-c ]" << " [-o ]" << " [-s ]" << " [-l ]" @@ -375,11 +434,15 @@ int main(int argc, char **argv) { } } + char **lines = new char *[nb_lines_max]; + if(!input_filename[0]) { cerr << "You must specify a input file with -f." << endl; exit(1); } + int nb_lines = 0; + ifstream file(input_filename); if(file.fail()) { @@ -387,12 +450,33 @@ int main(int argc, char **argv) { return 1; } - int nb_lines = 0; while(nb_lines < nb_lines_max && !file.eof()) { file.getline(buffer, buffer_size); - lines[nb_lines] = new char[strlen(buffer) + 1]; - strcpy(lines[nb_lines], buffer); - nb_lines++; + if(strcmp(buffer, "") != 0) { + char *s = buffer; + if(zsh_history && *s == ':') { + while(*s && *s != ';') s++; + if(*s == ';') s++; + } + + if(bash_history && (*s == ' ' || (*s >= '0' && *s <= '9'))) { + while(*s == ' ' || (*s >= '0' && *s <= '9')) s++; + } + + if(!remove_duplicates || nb_lines == 0 || strcmp(lines[nb_lines - 1], s)) { + lines[nb_lines] = new char[strlen(s) + 1]; + strcpy(lines[nb_lines], s); + nb_lines++; + } + } + } + + if(inverse_order) { + for(int i = 0; i < nb_lines/2; i++) { + char *s = lines[nb_lines - 1 - i]; + lines[nb_lines - 1 - i] = lines[i]; + lines[i] = s; + } } char patterns[buffer_size]; @@ -402,19 +486,23 @@ int main(int argc, char **argv) { initscr(); - if(has_colors()) { - with_colors = 1; - start_color(); - switch(theme) { - default: - case 0: - init_pair(1, COLOR_WHITE, COLOR_GREEN); - init_pair(2, COLOR_BLACK, COLOR_YELLOW); - break; - case 1: - init_pair(1, COLOR_BLACK, COLOR_GREEN); - init_pair(2, COLOR_BLACK, COLOR_YELLOW); - break; + if(with_colors) { + if(has_colors()) { + start_color(); + if(color_fg_modeline < 0 || color_fg_modeline >= COLORS || + color_bg_modeline < 0 || color_bg_modeline >= COLORS || + color_fg_highlight < 0 || color_bg_highlight >= COLORS || + color_bg_highlight < 0 || color_bg_highlight >= COLORS) { + echo(); + curs_set(1); + endwin(); + cerr << "Color numbers have to be between 0 and " << COLORS - 1 << "." << endl; + exit(1); + } + init_pair(1, color_fg_modeline, color_bg_modeline); + init_pair(2, color_fg_highlight, color_bg_highlight); + } else { + with_colors = 0; } } @@ -425,7 +513,7 @@ int main(int argc, char **argv) { int key; int current_line = 0, temporary_line = 0; - update_screen(¤t_line, &temporary_line, 0, nb_lines, lines, patterns, no_blink); + update_screen(¤t_line, &temporary_line, 0, nb_lines, lines, patterns); do { @@ -433,12 +521,13 @@ int main(int argc, char **argv) { int motion = 0; - if(key >= ' ' && key <= 'z') { + if(key >= ' ' && key <= '~') { patterns[patterns_point++] = key; patterns[patterns_point] = '\0'; } - else if(key == KEY_BACKSPACE || key == KEY_DC || key == '') { + else if(key == KEY_BACKSPACE || key == '' || key == '' || + key == KEY_DC || key == '') { if(patterns_point > 0) { patterns_point--; patterns[patterns_point] = '\0'; @@ -470,7 +559,7 @@ int main(int argc, char **argv) { } update_screen(¤t_line, &temporary_line, motion, - nb_lines, lines, patterns, no_blink); + nb_lines, lines, patterns); } while(key != '\n' && key != KEY_ENTER && key != ''); @@ -478,46 +567,35 @@ int main(int argc, char **argv) { curs_set(1); endwin(); - if((key == KEY_ENTER || key == '\n') && temporary_line >= 0 && temporary_line < nb_lines) { + if((key == KEY_ENTER || key == '\n')) { + if(output_to_vt_buffer) { - char *tty = ttyname(STDIN_FILENO); - int fd = open(tty, O_WRONLY); - - struct termios oldtio, newtio; - - if (fd >= 0) { - // Save current port settings - tcgetattr(fd,&oldtio); - bzero(&newtio, sizeof(newtio)); - // Set input mode (non-canonical, *no echo*,...) - tcflush(fd, TCIFLUSH); - tcsetattr(fd,TCSANOW, &newtio); - // Put the selected line in the tty input buffer - for(char *k = lines[temporary_line]; *k; k++) { - ioctl(fd, TIOCSTI, k); - } - // Restore the old settings - tcsetattr(fd,TCSANOW, &oldtio); - close(fd); - } else { - cerr << "Can not open " << tty << "." << endl; - exit(1); + if(temporary_line >= 0 && temporary_line < nb_lines) { + inject_into_tty_buffer(lines[temporary_line]); } - } else { + } + + if(output_filename[0]) { ofstream out(output_filename); if(out.fail()) { cerr << "Can not open " << output_filename << " for writing." << endl; exit(1); } else { - out << lines[temporary_line] << endl; + if(temporary_line >= 0 && temporary_line < nb_lines) { + out << lines[temporary_line] << endl; + } else { + out << endl; + } } out.flush(); } + } for(int l = 0; l < nb_lines; l++) { delete[] lines[l]; } + delete[] lines; exit(0); }