// 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 <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;
void check_opt(int argc, char **argv, int n_opt, int n, const char *help) {
if(n_opt + n >= argc) {
- cerr << "Missing argument for " << argv[n_opt] << "."
- << " "
- << "Expecting " << help << "."
- << endl;
+ fprintf(stderr, "Missing argument for %s, expecting %s.\n",
+ argv[n_opt], help);
exit(1);
}
}
} else error = 1;
if(error) {
- cerr << "Value `" << string << "' is not a positive integer." << endl;
+ fprintf(stderr, "Value `%s' is not a positive integer.\n", string);
exit(1);
}
//////////////////////////////////////////////////////////////////////
// The value passed to this routine in current_focus_line is the index
-// of the line to highlight if it matches the matcher. The line
-// highlighted is the first one matching the matcher in that order:
-// (1) current_focus_line after motion, (2) the first with a greater
+// 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
+// value is written in current_focus_line.
void update_screen(int *current_focus_line, int *displayed_focus_line,
int motion,
int console_width = getmaxx(stdscr);
int console_height = getmaxy(stdscr);
- // First, we find a visible line. In priority: The current, or the
- // first visible after it, or the first visible before it.
+ // First, we find a visible line.
int nb_printed_lines = 0;
int nb_lines_max, int *nb_lines, char **lines,
int hash_table_size, int *hash_table) {
- char raw_line[buffer_size];;
+ char raw_line[buffer_size];
- ifstream file(input_filename);
+ FILE *file = fopen(input_filename, "r");
- if(file.fail()) {
- cerr << "Can not open " << input_filename << endl;
+ if(!file) {
+ fprintf(stderr, "Can not open `%s'.\n", input_filename);
exit(1);
}
- while(*nb_lines < nb_lines_max && !file.eof()) {
+ int start = 0, end = 0;
- file.getline(raw_line, buffer_size);
+ while(*nb_lines < nb_lines_max && (end > start || !feof(file))) {
+ int eol = start;
+ while(eol < end && raw_line[eol] != '\n') eol++;
- if(raw_line[0]) {
-
- if(file.fail()) {
- cerr << "Line too long:" << endl;
- cerr << raw_line << endl;
- exit(1);
+ 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++;
+ }
- char *t;
+ 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);
+ }
- t = raw_line;
+ raw_line[eol] = '\0';
- // Remove the zsh history prefix
+ char *t = raw_line + start;
- if(zsh_history && *t == ':') {
- while(*t && *t != ';') t++;
- if(*t == ';') t++;
- }
+ // Remove the zsh history prefix
- // Remove the bash history prefix
+ if(zsh_history && *t == ':') {
+ while(*t && *t != ';') t++;
+ if(*t == ';') t++;
+ }
- if(bash_history) {
- while(*t == ' ') t++;
- while(*t >= '0' && *t <= '9') t++;
- while(*t == ' ') t++;
- }
+ // Remove the bash history prefix
- // Check for duplicates with the hash table and insert the line
- // in the list if necessary
+ if(bash_history) {
+ while(*t == ' ') t++;
+ while(*t >= '0' && *t <= '9') t++;
+ while(*t == ' ') t++;
+ }
- int dup;
+ // Check for duplicates with the hash table and insert the line
+ // in the list if necessary
- if(hash_table) {
- dup = test_and_add(t, *nb_lines, lines, hash_table, hash_table_size);
- } else {
- dup = -1;
- }
+ int dup;
- 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;
- }
+ if(hash_table) {
+ dup = test_and_add(t, *nb_lines, lines, hash_table, hash_table_size);
+ } else {
+ dup = -1;
+ }
- (*nb_lines)++;
+ 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)) {
- cerr << "The standard input is not a tty." << endl;
+ fprintf(stderr, "The standard input is not a tty.\n");
exit(1);
}
}
else {
- cerr << "Unknown option " << argv[i] << "." << endl;
+ fprintf(stderr, "Unknown option %s.\n", argv[i]);
error = 1;
}
}
if(show_help || error) {
- cerr << "Selector version " << VERSION << "-R" << REVISION_NUMBER
- << endl
- << "Written by Francois Fleuret <francois@fleuret.org>."
- << endl
- << endl
- << "Usage: " << argv[0] << " [options] [<filename1> [<filename2> ...]]" << endl
- << endl
- << " -h show this help" << endl
- << " -v inject the selected line in the tty" << endl
- << " -w quote control characters with ^Qs when using -v" << endl
- << " -d remove duplicated lines" << endl
- << " -b remove the bash history line prefix" << endl
- << " -z remove the zsh history line prefix" << endl
- << " -i invert the order of lines" << endl
- << " -e start in regexp mode" << endl
- << " -a case sensitive" << endl
- << " -m monochrome mode" << endl
- << " -q make a flash instead of a beep on an edition error" << endl
- << " -- all following arguments are filenames" << endl
- << " -t <title>" << endl
- << " add a title in the modeline" << endl
- << " -c <fg modeline> <bg modeline> <fg highlight> <bg highlight>" << endl
- << " set the display colors" << endl
- << " -o <output filename>" << endl
- << " set a file to write the selected line to" << endl
- << " -s <pattern separator>" << endl
- << " set the symbol to separate substrings in the pattern" << endl
- << " -x <label separator>" << endl
- << " set the symbol to terminate the label" << endl
- << " -l <max number of lines>" << endl
- << " set the maximum number of lines to take into account" << endl
- << endl;
-
+ 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);
}
// Here we start to display with curse
initscr();
-
+ cbreak();
noecho();
+ // nonl();
+ intrflush(stdscr, FALSE);
// So that the arrow keys work
keypad(stdscr, TRUE);
color_bg_highlight < 0 || color_bg_highlight >= COLORS) {
echo();
endwin();
- cerr << "Color numbers have to be between 0 and " << COLORS - 1 << "." << endl;
+ fprintf(stderr, "Color numbers have to be between 0 and %d.\n", COLORS - 1);
exit(1);
}
if((key == KEY_ENTER || key == '\n')) {
- if(output_to_vt_buffer) {
- if(displayed_focus_line >= 0 && displayed_focus_line < nb_lines) {
- inject_into_tty_buffer(lines[displayed_focus_line]);
+ 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]) {
- ofstream out(output_filename);
- if(out.fail()) {
- cerr << "Can not open " << output_filename << " for writing." << endl;
- exit(1);
- } else {
- if(displayed_focus_line >= 0 && displayed_focus_line < nb_lines) {
- out << lines[displayed_focus_line] << endl;
- } else {
- out << endl;
+ 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);
}
- out.flush();
+ fclose(out);
}
} else {
- cout << "Aborted." << endl;
+ printf("Aborted.\n");
}
for(int l = 0; l < nb_lines; l++) {
projects / selector.git / blobdiff