+++ /dev/null
-
-/*
- * selector is a simple command line utility for selection of strings
- * with a dynamic pattern-matching.
- *
- * Copyright (c) 2009 Francois Fleuret
- * Written by Francois Fleuret <francois@fleuret.org>
- *
- * This file is part of selector.
- *
- * selector is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 3 as
- * published by the Free Software Foundation.
- *
- * selector is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with selector. If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-// To use it as a super-history-search for bash:
-// selector -q -b -i -d -v -w -l ${HISTSIZE} <(history)
-
-// #include <fstream>
-// #include <iostream>
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <ncurses.h>
-#include <fcntl.h>
-#include <sys/ioctl.h>
-#include <termios.h>
-#include <regex.h>
-#include <locale.h>
-
-using namespace std;
-
-#define VERSION "1.0"
-
-const int buffer_size = 4096;
-
-// Yeah, global variables!
-
-int nb_lines_max = 1000;
-char pattern_separator = ';';
-char label_separator = '\0';
-int output_to_vt_buffer = 0;
-int add_control_qs = 0;
-int with_colors = 1;
-int zsh_history = 0;
-int bash_history = 0;
-int inverse_order = 0;
-int remove_duplicates = 0;
-int use_regexp = 0;
-int case_sensitive = 0;
-char *title = 0;
-int error_flash = 0;
-
-int attr_modeline, attr_focus_line, attr_error;
-
-//////////////////////////////////////////////////////////////////////
-
-void inject_into_tty_buffer(char *string) {
- 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);
- const char control_q = '\021';
- // Put the selected string in the tty input buffer
- for(const char *k = string; *k; k++) {
- if(add_control_qs && !(*k >= ' ' && *k <= '~')) {
- // Add ^Q to quote control characters
- ioctl(STDIN_FILENO, TIOCSTI, &control_q);
- }
- ioctl(STDIN_FILENO, TIOCSTI, k);
- }
- // Restore the old settings
- tcsetattr(STDIN_FILENO, TCSANOW, &oldtio);
-}
-
-//////////////////////////////////////////////////////////////////////
-
-void check_opt(int argc, char **argv, int n_opt, int n, const char *help) {
- if(n_opt + n >= argc) {
- fprintf(stderr, "Missing argument for %s, expecting %s.\n",
- argv[n_opt], help);
- exit(1);
- }
-}
-
-int string_to_positive_integer(char *string) {
- int error = 0;
- int result = 0;
-
- if(*string) {
- for(char *s = string; *s; s++) {
- if(*s >= '0' && *s <= '9') {
- result = result * 10 + int(*s - '0');
- } else error = 1;
- }
- } else error = 1;
-
- if(error) {
- fprintf(stderr, "Value `%s' is not a positive integer.\n", string);
- exit(1);
- }
-
- return result;
-}
-
-void error_feedback() {
- if(error_flash) {
- flash();
- } else {
- beep();
- }
-}
-
-//////////////////////////////////////////////////////////////////////
-// A quick and dirty hash table
-
-// The table itself stores indexes of the strings taken in a char
-// **table. When a string is added, if it was already in the table,
-// the new index replaces the previous one.
-
-int *new_hash_table(int hash_table_size) {
- int *result;
- result = new int[hash_table_size];
- for(int k = 0; k < hash_table_size; k++) {
- result[k] = -1;
- }
- return result;
-}
-
-// Adds new_string in the table, associated to new_index. If this
-// string was not already in the table, returns -1. Otherwise, returns
-// the previous index it had.
-
-int test_and_add(char *new_string, int new_index,
- char **strings,
- int *hash_table, int hash_table_size) {
-
- unsigned int code = 0;
-
- // This is my recipe. I checked, it seems to work (as long as
- // hash_table_size is not a multiple of 387433 that should be okay)
-
- for(int k = 0; new_string[k]; k++) {
- code = code * 387433 + (unsigned int) (new_string[k]);
- }
-
- code = code % hash_table_size;
-
- while(hash_table[code] >= 0) {
- // There is a string with that code
- if(strcmp(new_string, strings[hash_table[code]]) == 0) {
- // It is the same string, we keep a copy of the stored index
- int result = hash_table[code];
- // Put the new one
- hash_table[code] = new_index;
- // And return the previous one
- return result;
- }
- // This collision was not the same string, let's move to the next
- // in the table
- code = (code + 1) % hash_table_size;
- }
-
- // This string was not already in there, store the index in the
- // table and return -1
- hash_table[code] = new_index;
- return -1;
-}
-
-//////////////////////////////////////////////////////////////////////
-// A matcher matches either with a collection of substrings, or with a
-// regexp
-
-struct matcher_t {
- regex_t preg;
- int regexp_error;
- int nb_patterns;
- int case_sensitive;
- char *splitted_patterns, **patterns;
-};
-
-int match(char *string, matcher_t *matcher) {
- if(matcher->nb_patterns >= 0) {
- if(matcher->case_sensitive) {
- for(int n = 0; n < matcher->nb_patterns; n++) {
- if(strstr(string, matcher->patterns[n]) == 0) return 0;
- }
- } else {
- for(int n = 0; n < matcher->nb_patterns; n++) {
- if(strcasestr(string, matcher->patterns[n]) == 0) return 0;
- }
- }
- return 1;
- } else {
- return regexec(&matcher->preg, string, 0, 0, 0) == 0;
- }
-}
-
-void free_matcher(matcher_t *matcher) {
- if(matcher->nb_patterns < 0) {
- if(!matcher->regexp_error) regfree(&matcher->preg);
- } else {
- delete[] matcher->splitted_patterns;
- delete[] matcher->patterns;
- }
-}
-
-void initialize_matcher(int use_regexp, int case_sensitive,
- matcher_t *matcher, const char *pattern) {
-
- if(use_regexp) {
- matcher->nb_patterns = -1;
- matcher->regexp_error = regcomp(&matcher->preg, pattern, case_sensitive ? 0 : REG_ICASE);
- } else {
- matcher->regexp_error = 0;
- matcher->nb_patterns = 1;
- matcher->case_sensitive = case_sensitive;
-
- for(const char *s = pattern; *s; s++) {
- if(*s == pattern_separator) {
- matcher->nb_patterns++;
- }
- }
-
- matcher->splitted_patterns = new char[strlen(pattern) + 1];
- matcher->patterns = new char*[matcher->nb_patterns];
-
- strcpy(matcher->splitted_patterns, pattern);
-
- int n = 0;
- char *last_pattern_start = matcher->splitted_patterns;
- for(char *s = matcher->splitted_patterns; n < matcher->nb_patterns; s++) {
- if(*s == pattern_separator || *s == '\0') {
- *s = '\0';
- matcher->patterns[n++] = last_pattern_start;
- last_pattern_start = s + 1;
- }
- }
- }
-}
-
-//////////////////////////////////////////////////////////////////////
-// Buffer edition
-
-void delete_char(char *buffer, int *position) {
- if(buffer[*position]) {
- int c = *position;
- while(c < buffer_size && buffer[c]) {
- buffer[c] = buffer[c+1];
- c++;
- }
- } else error_feedback();
-}
-
-void backspace_char(char *buffer, int *position) {
- if(*position > 0) {
- if(buffer[*position]) {
- int c = *position - 1;
- while(buffer[c]) {
- buffer[c] = buffer[c+1];
- c++;
- }
- } else {
- buffer[*position - 1] = '\0';
- }
-
- (*position)--;
- } else error_feedback();
-}
-
-void insert_char(char *buffer, int *position, char character) {
- if(strlen(buffer) < buffer_size - 1) {
- int c = *position;
- char t = buffer[c], u;
- while(t) {
- c++;
- u = buffer[c];
- buffer[c] = t;
- t = u;
- }
- c++;
- buffer[c] = '\0';
- buffer[(*position)++] = character;
- } else error_feedback();
-}
-
-void kill_before_cursor(char *buffer, int *position) {
- int s = 0;
- while(buffer[*position + s]) {
- buffer[s] = buffer[*position + s];
- s++;
- }
- buffer[s] = '\0';
- *position = 0;
-}
-
-void kill_after_cursor(char *buffer, int *position) {
- buffer[*position] = '\0';
-}
-
-//////////////////////////////////////////////////////////////////////
-
-int previous_visible(int current_line, int nb_lines, char **lines, matcher_t *matcher) {
- int line = current_line - 1;
- while(line >= 0 && !match(lines[line], matcher)) line--;
- return line;
-}
-
-int next_visible(int current_line, int nb_lines, char **lines, matcher_t *matcher) {
- int line = current_line + 1;
- while(line < nb_lines && !match(lines[line], matcher)) line++;
-
- if(line < nb_lines)
- return line;
- else
- return -1;
-}
-
-//////////////////////////////////////////////////////////////////////
-
-// The value passed to this routine in current_focus_line is the index
-// of the line we should have highlited if there was no motion and if
-// it matched the matcher. So, the line actually highlighted is the
-// first one matching the matcher in that order: (1)
-// current_focus_line after motion, (2) the first with a greater
-// index, (3) the first with a lesser index.
-
-// The index of the line actually shown highlighted is written in
-// displayed_focus_line (it can be -1)
-
-// If there is a motion and a line is actually shown highlighted, its
-// value is written in current_focus_line.
-
-void update_screen(int *current_focus_line, int *displayed_focus_line,
- int motion,
- int nb_lines, char **lines,
- int cursor_position,
- char *pattern) {
-
- char buffer[buffer_size];
- matcher_t matcher;
-
- initialize_matcher(use_regexp, case_sensitive, &matcher, pattern);
-
- int console_width = getmaxx(stdscr);
- int console_height = getmaxy(stdscr);
-
- // First, we find a visible line.
-
- int nb_printed_lines = 0;
-
- use_default_colors();
-
- addstr("\n");
-
- if(matcher.regexp_error) {
- attron(attr_error);
- addnstr("Regexp syntax error", console_width);
- attroff(attr_error);
- } else if(nb_lines > 0) {
- int new_focus_line;
- if(match(lines[*current_focus_line], &matcher)) {
- new_focus_line = *current_focus_line;
- } else {
- new_focus_line = next_visible(*current_focus_line, nb_lines, lines, &matcher);
- if(new_focus_line < 0) {
- new_focus_line = previous_visible(*current_focus_line, nb_lines, lines, &matcher);
- }
- }
-
- // If we found a visible line and we should move, let's move
-
- if(new_focus_line >= 0 && motion != 0) {
- int l = new_focus_line;
- if(motion > 0) {
- // We want to go down, let's find the first visible line below
- for(int m = 0; l >= 0 && m < motion; m++) {
- l = next_visible(l, nb_lines, lines, &matcher);
- if(l >= 0) {
- new_focus_line = l;
- }
- }
- } else {
- // We want to go up, let's find the first visible line above
- for(int m = 0; l >= 0 && m < -motion; m++) {
- l = previous_visible(l, nb_lines, lines, &matcher);
- if(l >= 0) {
- new_focus_line = l;
- }
- }
- }
- }
-
- // Here new_focus_line is either a line number matching the pattern, or -1
-
- if(new_focus_line >= 0) {
-
- int first_line = new_focus_line, last_line = new_focus_line, nb_match = 1;
-
- // We find the first and last line to show, so that the total of
- // visible lines between them (them included) is console_height-1
-
- while(nb_match < console_height-1 && (first_line > 0 || last_line < nb_lines - 1)) {
-
- if(first_line > 0) {
- first_line--;
- while(first_line > 0 && !match(lines[first_line], &matcher)) {
- first_line--;
- }
- if(match(lines[first_line], &matcher)) {
- nb_match++;
- }
- }
-
- if(nb_match < console_height - 1 && last_line < nb_lines - 1) {
- last_line++;
- while(last_line < nb_lines - 1 && !match(lines[last_line], &matcher)) {
- last_line++;
- }
-
- if(match(lines[last_line], &matcher)) {
- nb_match++;
- }
- }
- }
-
- // Now we display them
-
- for(int l = first_line; l <= last_line; l++) {
- if(match(lines[l], &matcher)) {
- int k = 0;
-
- while(lines[l][k] && k < buffer_size - 2 && k < console_width - 2) {
- buffer[k] = lines[l][k];
- k++;
- }
-
- // We fill the rest of the line with blanks if this is the
- // highlighted line
-
- if(l == new_focus_line) {
- while(k < console_width) {
- buffer[k++] = ' ';
- }
- }
-
- buffer[k++] = '\n';
- buffer[k++] = '\0';
-
- clrtoeol();
-
- // Highlight the highlighted line ...
-
- if(l == new_focus_line) {
- attron(attr_focus_line);
- addnstr(buffer, console_width);
- attroff(attr_focus_line);
- } else {
- addnstr(buffer, console_width);
- }
-
- nb_printed_lines++;
- }
- }
-
- // If we are on a focused line and we moved, this become the new
- // focus line
-
- if(motion != 0) {
- *current_focus_line = new_focus_line;
- }
- }
-
- *displayed_focus_line = new_focus_line;
-
- if(nb_printed_lines == 0) {
- attron(attr_error);
- addnstr("No selection", console_width);
- attroff(attr_error);
- }
- } else {
- attron(attr_error);
- addnstr("Empty choice", console_width);
- attroff(attr_error);
- }
-
- clrtobot();
-
- // Draw the modeline
-
- move(0, 0);
-
- attron(attr_modeline);
-
- for(int k = 0; k < console_width; k++) buffer[k] = ' ';
- buffer[console_width] = '\0';
- addnstr(buffer, console_width);
-
- move(0, 0);
-
- // There must be a more elegant way of moving the cursor at a
- // location met during display
-
- int cursor_x = 0;
-
- if(title) {
- addstr(title);
- addstr(" ");
- cursor_x += strlen(title) + 1;
- }
-
- sprintf(buffer, "%d/%d ", nb_printed_lines, nb_lines);
- addstr(buffer);
- cursor_x += strlen(buffer);
-
- addnstr(pattern, cursor_position);
- cursor_x += cursor_position;
-
- if(pattern[cursor_position]) {
- addstr(pattern + cursor_position);
- } else {
- addstr(" ");
- }
-
- if(use_regexp || case_sensitive) {
- addstr(" [");
- if(use_regexp) {
- addstr("regexp");
- }
-
- if(case_sensitive) {
- if(use_regexp) {
- addstr(",");
- }
- addstr("case");
- }
- addstr("]");
- }
-
- move(0, cursor_x);
-
- attroff(attr_modeline);
-
- // We are done
-
- refresh();
- free_matcher(&matcher);
-}
-
-//////////////////////////////////////////////////////////////////////
-
-void read_file(const char *input_filename,
- int nb_lines_max, int *nb_lines, char **lines,
- int hash_table_size, int *hash_table) {
-
- char raw_line[buffer_size];
-
- FILE *file = fopen(input_filename, "r");
-
- if(!file) {
- fprintf(stderr, "Can not open `%s'.\n", input_filename);
- exit(1);
- }
-
- int start = 0, end = 0;
-
- while(*nb_lines < nb_lines_max && (end > start || !feof(file))) {
- int eol = start;
- while(eol < end && raw_line[eol] != '\n') eol++;
-
- if(eol == end) {
- for(int k = 0; k < end - start; k++) {
- raw_line[k] = raw_line[k + start];
- }
- end -= start;
- eol -= start;
- start = 0;
- end += fread(raw_line + end, sizeof(char), buffer_size - end, file);
- while(eol < end && raw_line[eol] != '\n') eol++;
- }
-
- if(eol == buffer_size) {
- raw_line[buffer_size - 1] = '\0';
- fprintf(stderr, "Line too long:\n");
- fprintf(stderr, raw_line);
- fprintf(stderr, "\n");
- exit(1);
- }
-
- raw_line[eol] = '\0';
-
- char *t = raw_line + start;
-
- // Remove the zsh history prefix
-
- if(zsh_history && *t == ':') {
- while(*t && *t != ';') t++;
- if(*t == ';') t++;
- }
-
- // Remove the bash history prefix
-
- if(bash_history) {
- while(*t == ' ') t++;
- while(*t >= '0' && *t <= '9') t++;
- while(*t == ' ') t++;
- }
-
- // Check for duplicates with the hash table and insert the line
- // in the list if necessary
-
- int dup;
-
- if(hash_table) {
- dup = test_and_add(t, *nb_lines, lines, hash_table, hash_table_size);
- } else {
- dup = -1;
- }
-
- if(dup < 0) {
- lines[*nb_lines] = new char[strlen(t) + 1];
- strcpy(lines[*nb_lines], t);
- } else {
- // The string was already in there, so we do not allocate a
- // new string but use the pointer to the first occurence of it
- lines[*nb_lines] = lines[dup];
- lines[dup] = 0;
- }
-
- (*nb_lines)++;
-
- start = eol + 1;
- }
-}
-
-//////////////////////////////////////////////////////////////////////
-
-int main(int argc, char **argv) {
-
- if(!ttyname(STDIN_FILENO)) {
- fprintf(stderr, "The standard input is not a tty.\n");
- exit(1);
- }
-
- 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, "");
-
- int i = 1;
- int error = 0, show_help = 0;
- int rest_are_files = 0;
-
- while(!error && !show_help && i < argc && argv[i][0] == '-' && !rest_are_files) {
-
- if(strcmp(argv[i], "-o") == 0) {
- check_opt(argc, argv, i, 1, "<output filename>");
- strncpy(output_filename, argv[i+1], buffer_size);
- i += 2;
- }
-
- else if(strcmp(argv[i], "-s") == 0) {
- check_opt(argc, argv, i, 1, "<pattern separator>");
- pattern_separator = argv[i+1][0];
- i += 2;
- }
-
- else if(strcmp(argv[i], "-x") == 0) {
- check_opt(argc, argv, i, 1, "<label separator>");
- label_separator = argv[i+1][0];
- i += 2;
- }
-
- else if(strcmp(argv[i], "-v") == 0) {
- output_to_vt_buffer = 1;
- i++;
- }
-
- else if(strcmp(argv[i], "-w") == 0) {
- add_control_qs = 1;
- i++;
- }
-
- else if(strcmp(argv[i], "-m") == 0) {
- with_colors = 0;
- i++;
- }
-
- else if(strcmp(argv[i], "-q") == 0) {
- error_flash = 1;
- i++;
- }
-
- else if(strcmp(argv[i], "-f") == 0) {
- check_opt(argc, argv, i, 1, "<input filename>");
- 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], "-b") == 0) {
- bash_history = 1;
- i++;
- }
-
- else if(strcmp(argv[i], "-z") == 0) {
- zsh_history = 1;
- i++;
- }
-
- else if(strcmp(argv[i], "-d") == 0) {
- remove_duplicates = 1;
- i++;
- }
-
- else if(strcmp(argv[i], "-e") == 0) {
- use_regexp = 1;
- i++;
- }
-
- else if(strcmp(argv[i], "-a") == 0) {
- case_sensitive = 1;
- i++;
- }
-
- else if(strcmp(argv[i], "-t") == 0) {
- check_opt(argc, argv, i, 1, "<title>");
- delete[] title;
- title = new char[strlen(argv[i+1]) + 1];
- strcpy(title, argv[i+1]);
- i += 2;
- }
-
- else if(strcmp(argv[i], "-l") == 0) {
- check_opt(argc, argv, i, 1, "<maximum number of lines>");
- nb_lines_max = string_to_positive_integer(argv[i+1]);
- i += 2;
- }
-
- else if(strcmp(argv[i], "-c") == 0) {
- check_opt(argc, argv, i, 4, "<fg modeline> <bg modeline> <fg highlight> <bg highlight>");
- color_fg_modeline = string_to_positive_integer(argv[i + 1]);
- color_bg_modeline = string_to_positive_integer(argv[i + 2]);
- color_fg_highlight = string_to_positive_integer(argv[i + 3]);
- color_bg_highlight = string_to_positive_integer(argv[i + 4]);
- i += 5;
- }
-
- else if(strcmp(argv[i], "--") == 0) {
- rest_are_files = 1;
- i++;
- }
-
- else if(strcmp(argv[i], "-h") == 0) {
- show_help = 1;
- i++;
- }
-
- else {
- fprintf(stderr, "Unknown option %s.\n", argv[i]);
- error = 1;
- }
- }
-
- if(show_help || error) {
- fprintf(stderr, "Selector version %s-R%s\n", VERSION, REVISION_NUMBER);
- fprintf(stderr, "Written by Francois Fleuret <francois@fleuret.org>.\n");
- fprintf(stderr, "Usage: %s [options] [<filename1> [<filename2> ...]]\n", argv[0]);
- fprintf(stderr, "\n");
- fprintf(stderr, " -h show this help\n");
- fprintf(stderr, " -v inject the selected line in the tty\n");
- fprintf(stderr, " -w quote control characters with ^Qs when using -v\n");
- fprintf(stderr, " -d remove duplicated lines\n");
- fprintf(stderr, " -b remove the bash history line prefix\n");
- fprintf(stderr, " -z remove the zsh history line prefix\n");
- fprintf(stderr, " -i invert the order of lines\n");
- fprintf(stderr, " -e start in regexp mode\n");
- fprintf(stderr, " -a start in case sensitive mode\n");
- fprintf(stderr, " -m monochrome mode\n");
- fprintf(stderr, " -q make a flash instead of a beep on an edition error\n");
- fprintf(stderr, " -- all following arguments are filenames\n");
- fprintf(stderr, " -t <title>\n");
- fprintf(stderr, " add a title in the modeline\n");
- fprintf(stderr, " -c <fg modeline> <bg modeline> <fg highlight> <bg highlight>\n");
- fprintf(stderr, " set the display colors\n");
- fprintf(stderr, " -o <output filename>\n");
- fprintf(stderr, " set a file to write the selected line to\n");
- fprintf(stderr, " -s <pattern separator>\n");
- fprintf(stderr, " set the symbol to separate substrings in the pattern\n");
- fprintf(stderr, " -x <label separator>\n");
- fprintf(stderr, " set the symbol to terminate the label\n");
- fprintf(stderr, " -l <max number of lines>\n");
- fprintf(stderr, " set the maximum number of lines to take into account\n");
- fprintf(stderr, "\n");
- exit(error);
- }
-
- char **lines = new char *[nb_lines_max];
-
- int nb_lines = 0;
- int hash_table_size = nb_lines_max * 10;
- int *hash_table = 0;
-
- if(remove_duplicates) {
- hash_table = new_hash_table(hash_table_size);
- }
-
- if(input_filename[0]) {
- read_file(input_filename,
- nb_lines_max, &nb_lines, lines,
- hash_table_size, hash_table);
- }
-
- while(i < argc) {
- read_file(argv[i],
- nb_lines_max, &nb_lines, lines,
- hash_table_size, hash_table);
- i++;
- }
-
- delete[] hash_table;
-
- // Now remove the null strings
-
- int n = 0;
- for(int k = 0; k < nb_lines; k++) {
- if(lines[k]) {
- lines[n++] = lines[k];
- }
- }
-
- nb_lines = n;
-
- 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;
- }
- }
-
- // Build the labels from the strings, take only the part before the
- // label_separator and transform control characters to printable
- // ones
-
- char **labels = new char *[nb_lines];
- for(int l = 0; l < nb_lines; l++) {
- char *s, *t;
- const char *u;
- t = lines[l];
- int e = 0;
- while(*t && *t != label_separator) {
- u = unctrl(*t++);
- e += strlen(u);
- }
- labels[l] = new char[e + 1];
- t = lines[l];
- s = labels[l];
- while(*t && *t != label_separator) {
- u = unctrl(*t++);
- while(*u) { *s++ = *u++; }
- }
- *s = '\0';
- }
-
- char pattern[buffer_size];
- pattern[0] = '\0';
-
- int cursor_position;
- cursor_position = 0;
-
- //////////////////////////////////////////////////////////////////////
- // Here we start to display with curse
-
- initscr();
- cbreak();
- noecho();
- // nonl();
- intrflush(stdscr, FALSE);
-
- // So that the arrow keys work
- keypad(stdscr, TRUE);
-
- attr_error = A_STANDOUT;
- attr_modeline = A_REVERSE;
- attr_focus_line = A_STANDOUT;
-
- if(with_colors && 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();
- endwin();
- fprintf(stderr, "Color numbers have to be between 0 and %d.\n", COLORS - 1);
- exit(1);
- }
-
- init_pair(1, color_fg_modeline, color_bg_modeline);
- attr_modeline = COLOR_PAIR(1);
-
- init_pair(2, color_fg_highlight, color_bg_highlight);
- attr_focus_line = COLOR_PAIR(2);
-
- init_pair(3, COLOR_WHITE, COLOR_RED);
- attr_error = COLOR_PAIR(3);
-
- }
-
- int key;
- int current_focus_line = 0, displayed_focus_line = 0;
-
- update_screen(¤t_focus_line, &displayed_focus_line,
- 0,
- nb_lines, labels, cursor_position, pattern);
-
- do {
-
- key = getch();
-
- int motion = 0;
-
- if(key >= ' ' && key <= '~') { // Insert character
- insert_char(pattern, &cursor_position, key);
- }
-
- else if(key == KEY_BACKSPACE ||
- key == '\010' || // ^H
- key == '\177') { // ^?
- backspace_char(pattern, &cursor_position);
- }
-
- else if(key == KEY_DC ||
- key == '\004') { // ^D
- delete_char(pattern, &cursor_position);
- }
-
- else if(key == KEY_HOME) {
- current_focus_line = 0;
- }
-
- else if(key == KEY_END) {
- current_focus_line = nb_lines - 1;
- }
-
- else if(key == KEY_NPAGE) {
- motion = 10;
- }
-
- else if(key == KEY_PPAGE) {
- motion = -10;
- }
-
- else if(key == KEY_DOWN ||
- key == '\016') { // ^N
- motion = 1;
- }
-
- else if(key == KEY_UP ||
- key == '\020') { // ^P
- motion = -1;
- }
-
- else if(key == KEY_LEFT ||
- key == '\002') { // ^B
- if(cursor_position > 0) cursor_position--;
- else error_feedback();
- }
-
- else if(key == KEY_RIGHT ||
- key == '\006') { // ^F
- if(pattern[cursor_position]) cursor_position++;
- else error_feedback();
- }
-
- else if(key == '\001') { // ^A
- cursor_position = 0;
- }
-
- else if(key == '\005') { // ^E
- cursor_position = strlen(pattern);
- }
-
- else if(key == '\022') { // ^R
- use_regexp = !use_regexp;
- }
-
- else if(key == '\011') { // ^I
- case_sensitive = !case_sensitive;
- }
-
- else if(key == '\025') { // ^U
- kill_before_cursor(pattern, &cursor_position);
- }
-
- else if(key == '\013') { // ^K
- kill_after_cursor(pattern, &cursor_position);
- }
-
- else if(key == '\014') { // ^L
- // I suspect that we may sometime mess up the display
- clear();
- }
-
- update_screen(¤t_focus_line, &displayed_focus_line,
- motion,
- nb_lines, labels, cursor_position, pattern);
-
- } while(key != '\007' && // ^G
- key != '\033' && // ^[ (escape)
- key != '\n' &&
- key != KEY_ENTER);
-
- echo();
- endwin();
-
- //////////////////////////////////////////////////////////////////////
- // Here we come back to standard display
-
- if((key == KEY_ENTER || key == '\n')) {
-
- char *t;
-
- if(displayed_focus_line >= 0 && displayed_focus_line < nb_lines) {
- t = lines[displayed_focus_line];
- if(label_separator) {
- while(*t && *t != label_separator) t++;
- if(*t) t++;
- }
- } else {
- t = 0;
- }
-
- if(output_to_vt_buffer && t) {
- inject_into_tty_buffer(t);
- }
-
- if(output_filename[0]) {
- FILE *out = fopen(output_filename, "w");
- if(out) {
- if(t) {
- fprintf(out, t);
- }
- fprintf(out, "\n");
- } else {
- fprintf(stderr, "Can not open %s for writing.\n", output_filename);
- exit(1);
- }
- fclose(out);
- }
-
- } else {
- printf("Aborted.\n");
- }
-
- for(int l = 0; l < nb_lines; l++) {
- delete[] lines[l];
- delete[] labels[l];
- }
-
- delete[] labels;
- delete[] lines;
- delete[] title;
-
- exit(0);
-}
projects / selector.git / commitdiff