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#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "ignore.h"
#include "log.h"
#include "options.h"
#include "print.h"
#include "util.h"
int first_file_match = 1;
const char *color_reset = "\033[0m\033[K";
void print_path(const char *path, const char sep) {
path = normalize_path(path);
if (opts.ackmate) {
fprintf(out_fd, ":%s%c", path, sep);
} else if (opts.vimgrep) {
fprintf(out_fd, "%s%c", path, sep);
} else {
if (opts.color) {
fprintf(out_fd, "%s%s%s%c", opts.color_path, path, color_reset, sep);
} else {
fprintf(out_fd, "%s%c", path, sep);
}
}
}
void print_path_count(const char *path, const char sep, const size_t count) {
if (*path) {
print_path(path, ':');
}
if (opts.color) {
fprintf(out_fd, "%s%lu%s%c", opts.color_line_number, count, color_reset, sep);
} else {
fprintf(out_fd, "%lu%c", count, sep);
}
}
void print_line(const char *buf, size_t buf_pos, size_t prev_line_offset) {
for (; prev_line_offset <= buf_pos; prev_line_offset++) {
fputc(buf[prev_line_offset], out_fd);
}
}
void print_binary_file_matches(const char *path) {
path = normalize_path(path);
print_file_separator();
fprintf(out_fd, "Binary file %s matches.\n", path);
}
void print_file_matches(const char *path, const char *buf, const size_t buf_len, const match_t matches[], const size_t matches_len) {
size_t line = 1;
char **context_prev_lines = NULL;
size_t prev_line = 0;
size_t last_prev_line = 0;
size_t prev_line_offset = 0;
size_t cur_match = 0;
/* TODO the line below contains a terrible hack */
size_t lines_since_last_match = 1000000; /* if I initialize this to INT_MAX it'll overflow */
ssize_t lines_to_print = 0;
size_t last_printed_match = 0;
char sep = '-';
size_t i, j;
int in_a_match = FALSE;
int printing_a_match = FALSE;
if (opts.ackmate || opts.vimgrep) {
sep = ':';
}
print_file_separator();
if (opts.print_path == PATH_PRINT_DEFAULT) {
opts.print_path = PATH_PRINT_TOP;
} else if (opts.print_path == PATH_PRINT_DEFAULT_EACH_LINE) {
opts.print_path = PATH_PRINT_EACH_LINE;
}
if (opts.print_path == PATH_PRINT_TOP) {
if (opts.print_count) {
print_path_count(path, opts.path_sep, matches_len);
} else {
print_path(path, opts.path_sep);
}
}
context_prev_lines = ag_calloc(sizeof(char *), (opts.before + 1));
for (i = 0; i <= buf_len && (cur_match < matches_len || lines_since_last_match <= opts.after); i++) {
if (cur_match < matches_len && i == matches[cur_match].end) {
/* We found the end of a match. */
cur_match++;
in_a_match = FALSE;
}
if (cur_match < matches_len && i == matches[cur_match].start) {
in_a_match = TRUE;
/* We found the start of a match */
if (cur_match > 0 && opts.context && lines_since_last_match > (opts.before + opts.after + 1)) {
fprintf(out_fd, "--\n");
}
if (lines_since_last_match > 0 && opts.before > 0) {
/* TODO: better, but still needs work */
/* print the previous line(s) */
lines_to_print = lines_since_last_match - (opts.after + 1);
if (lines_to_print < 0) {
lines_to_print = 0;
} else if ((size_t)lines_to_print > opts.before) {
lines_to_print = opts.before;
}
for (j = (opts.before - lines_to_print); j < opts.before; j++) {
prev_line = (last_prev_line + j) % opts.before;
if (context_prev_lines[prev_line] != NULL) {
if (opts.print_path == PATH_PRINT_EACH_LINE) {
print_path(path, ':');
}
print_line_number(line - (opts.before - j), sep);
fprintf(out_fd, "%s\n", context_prev_lines[prev_line]);
}
}
}
lines_since_last_match = 0;
}
/* We found the end of a line. */
if (buf[i] == '\n' && opts.before > 0) {
if (context_prev_lines[last_prev_line] != NULL) {
free(context_prev_lines[last_prev_line]);
}
/* We don't want to strcpy the \n */
context_prev_lines[last_prev_line] =
ag_strndup(&buf[prev_line_offset], i - prev_line_offset);
last_prev_line = (last_prev_line + 1) % opts.before;
}
if (buf[i] == '\n' || i == buf_len) {
if (lines_since_last_match == 0) {
if (opts.print_path == PATH_PRINT_EACH_LINE && !opts.search_stream) {
print_path(path, ':');
}
if (opts.ackmate) {
/* print headers for ackmate to parse */
print_line_number(line, ';');
for (; last_printed_match < cur_match; last_printed_match++) {
fprintf(out_fd, "%lu %lu",
(matches[last_printed_match].start - prev_line_offset),
(matches[last_printed_match].end - matches[last_printed_match].start));
last_printed_match == cur_match - 1 ? fputc(':', out_fd) : fputc(',', out_fd);
}
print_line(buf, i, prev_line_offset);
} else if (opts.vimgrep) {
for (; last_printed_match < cur_match; last_printed_match++) {
print_path(path, sep);
print_line_number(line, sep);
print_column_number(matches, last_printed_match, prev_line_offset, sep);
print_line(buf, i, prev_line_offset);
}
} else {
print_line_number(line, ':');
if (opts.column) {
print_column_number(matches, last_printed_match, prev_line_offset, ':');
}
if (printing_a_match && opts.color) {
fprintf(out_fd, "%s", opts.color_match);
}
for (j = prev_line_offset; j <= i; j++) {
if (last_printed_match < matches_len && j == matches[last_printed_match].end) {
if (opts.color) {
fprintf(out_fd, "%s", color_reset);
}
printing_a_match = FALSE;
last_printed_match++;
}
if (last_printed_match < matches_len && j == matches[last_printed_match].start) {
if (opts.color) {
fprintf(out_fd, "%s", opts.color_match);
}
printing_a_match = TRUE;
}
/* Don't print the null terminator */
if (j < buf_len) {
/* if only_matching is set, print only matches and newlines */
if (!opts.only_matching || printing_a_match || buf[j] == '\n') {
fputc(buf[j], out_fd);
}
}
}
if (printing_a_match && opts.color) {
fprintf(out_fd, "%s", color_reset);
}
}
} else if (lines_since_last_match <= opts.after) {
/* print context after matching line */
if (opts.print_path == PATH_PRINT_EACH_LINE) {
print_path(path, ':');
}
print_line_number(line, sep);
for (j = prev_line_offset; j < i; j++) {
fputc(buf[j], out_fd);
}
fputc('\n', out_fd);
}
prev_line_offset = i + 1; /* skip the newline */
line++;
if (!in_a_match) {
lines_since_last_match++;
}
/* File doesn't end with a newline. Print one so the output is pretty. */
if (i == buf_len && buf[i] != '\n' && !opts.search_stream) {
fputc('\n', out_fd);
}
}
}
for (i = 0; i < opts.before; i++) {
if (context_prev_lines[i] != NULL) {
free(context_prev_lines[i]);
}
}
free(context_prev_lines);
}
void print_line_number(size_t line, const char sep) {
if (!opts.print_line_numbers) {
return;
}
if (opts.search_stream && opts.stream_line_num) {
line = opts.stream_line_num;
}
if (opts.color) {
fprintf(out_fd, "%s%lu%s%c", opts.color_line_number, (unsigned long)line, color_reset, sep);
} else {
fprintf(out_fd, "%lu%c", (unsigned long)line, sep);
}
}
void print_column_number(const match_t matches[], size_t last_printed_match,
size_t prev_line_offset, const char sep) {
fprintf(out_fd, "%lu%c",
(matches[last_printed_match].start - prev_line_offset) + 1,
sep);
}
void print_file_separator(void) {
if (first_file_match == 0 && opts.print_break) {
fprintf(out_fd, "\n");
}
first_file_match = 0;
}
const char *normalize_path(const char *path) {
if (strlen(path) < 3) {
return path;
}
if (path[0] == '.' && path[1] == '/') {
return path + 2;
}
if (path[0] == '/' && path[1] == '/') {
return path + 1;
}
return path;
}
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