First version of side-by-side diff.
This constitutes the first prototype of a side-by-side diff. It is not possible to switch between unidiff and side-by-side diff at all at this stage. Signed-off-by: Ragnar Ouchterlony <ragnar@lysator.liu.se> Signed-off-by: Lars Hjemli <hjemli@gmail.com>
Este cometimento está contido em:
Ragnar Ouchterlony
Lars Hjemli
ascendente
27479ac54c
cometimento
40e174d536
1
Makefile
1
Makefile
@ -90,6 +90,7 @@ OBJECTS += ui-refs.o
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OBJECTS += ui-repolist.o
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OBJECTS += ui-shared.o
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OBJECTS += ui-snapshot.o
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OBJECTS += ui-ssdiff.o
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OBJECTS += ui-stats.o
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OBJECTS += ui-summary.o
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OBJECTS += ui-tag.o
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35
cgit.css
35
cgit.css
@ -601,3 +601,38 @@ table.hgraph div.bar {
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background-color: #eee;
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height: 1em;
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}
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table.ssdiff td.add {
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color: black;
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background: #afa;
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}
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table.ssdiff td.add_dark {
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color: black;
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background: #9c9;
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}
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table.ssdiff td.del {
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color: black;
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background: #faa;
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}
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table.ssdiff td.del_dark {
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color: black;
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background: #c99;
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}
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table.ssdiff td.changed {
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color: black;
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background: #ffa;
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}
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table.ssdiff td.changed_dark {
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color: black;
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background: #cc9;
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}
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table.ssdiff td.hunk {
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color: #black;
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background: #ccf;
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}
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15
ui-diff.c
15
ui-diff.c
@ -9,6 +9,7 @@
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#include "cgit.h"
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#include "html.h"
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#include "ui-shared.h"
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#include "ui-ssdiff.h"
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unsigned char old_rev_sha1[20];
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unsigned char new_rev_sha1[20];
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@ -32,6 +33,7 @@ static struct fileinfo {
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int binary:1;
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} *items;
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static int use_ssdiff = 0;
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static void print_fileinfo(struct fileinfo *info)
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{
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@ -244,6 +246,8 @@ static void header(unsigned char *sha1, char *path1, int mode1,
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html_txt(path2);
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}
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html("</div>");
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if (use_ssdiff)
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cgit_ssdiff_header();
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}
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static void filepair_cb(struct diff_filepair *pair)
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@ -251,9 +255,14 @@ static void filepair_cb(struct diff_filepair *pair)
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unsigned long old_size = 0;
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unsigned long new_size = 0;
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int binary = 0;
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linediff_fn print_line_fn = print_line;
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header(pair->one->sha1, pair->one->path, pair->one->mode,
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pair->two->sha1, pair->two->path, pair->two->mode);
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if (use_ssdiff) {
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cgit_ssdiff_header();
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print_line_fn = cgit_ssdiff_line_cb;
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}
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if (S_ISGITLINK(pair->one->mode) || S_ISGITLINK(pair->two->mode)) {
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if (S_ISGITLINK(pair->one->mode))
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print_line(fmt("-Subproject %s", sha1_to_hex(pair->one->sha1)), 52);
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@ -261,11 +270,13 @@ static void filepair_cb(struct diff_filepair *pair)
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print_line(fmt("+Subproject %s", sha1_to_hex(pair->two->sha1)), 52);
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return;
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}
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if (cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size,
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&new_size, &binary, print_line))
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if (cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size,
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&new_size, &binary, print_line_fn))
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cgit_print_error("Error running diff");
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if (binary)
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html("Binary files differ");
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if (use_ssdiff)
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cgit_ssdiff_footer();
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}
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void cgit_print_diff(const char *new_rev, const char *old_rev, const char *prefix)
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264
ui-ssdiff.c
Ficheiro normal
264
ui-ssdiff.c
Ficheiro normal
@ -0,0 +1,264 @@
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#include "cgit.h"
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#include "html.h"
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#include "ui-shared.h"
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extern int use_ssdiff;
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static int current_old_line, current_new_line;
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struct deferred_lines {
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int line_no;
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char *line;
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struct deferred_lines *next;
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};
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static struct deferred_lines *deferred_old, *deferred_old_last;
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static struct deferred_lines *deferred_new, *deferred_new_last;
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static int line_from_hunk(char *line, char type)
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{
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char *buf1, *buf2;
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int len;
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buf1 = strchr(line, type);
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if (buf1 == NULL)
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return 0;
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buf1 += 1;
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buf2 = strchr(buf1, ',');
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if (buf2 == NULL)
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return 0;
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len = buf2 - buf1;
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buf2 = xmalloc(len + 1);
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strncpy(buf2, buf1, len);
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buf2[len] = '\0';
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int res = atoi(buf2);
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free(buf2);
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return res;
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}
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static char *replace_tabs(char *line)
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{
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char *prev_buf = line;
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char *cur_buf;
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int linelen = strlen(line);
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int n_tabs = 0;
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int i;
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char *result;
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char *spaces = " ";
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if (linelen == 0) {
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result = xmalloc(1);
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result[0] = '\0';
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return result;
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}
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for (i = 0; i < linelen; i++)
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if (line[i] == '\t')
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n_tabs += 1;
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result = xmalloc(linelen + n_tabs * 8 + 1);
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result[0] = '\0';
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while (1) {
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cur_buf = strchr(prev_buf, '\t');
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if (!cur_buf) {
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strcat(result, prev_buf);
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break;
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} else {
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strcat(result, " ");
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strncat(result, spaces, 8 - (strlen(result) % 8));
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strncat(result, prev_buf, cur_buf - prev_buf);
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}
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prev_buf = cur_buf + 1;
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}
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return result;
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}
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static void deferred_old_add(char *line, int line_no)
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{
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struct deferred_lines *item = xmalloc(sizeof(struct deferred_lines));
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item->line = xstrdup(line);
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item->line_no = line_no;
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item->next = NULL;
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if (deferred_old) {
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deferred_old_last->next = item;
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deferred_old_last = item;
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} else {
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deferred_old = deferred_old_last = item;
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}
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}
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static void deferred_new_add(char *line, int line_no)
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{
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struct deferred_lines *item = xmalloc(sizeof(struct deferred_lines));
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item->line = xstrdup(line);
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item->line_no = line_no;
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item->next = NULL;
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if (deferred_new) {
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deferred_new_last->next = item;
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deferred_new_last = item;
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} else {
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deferred_new = deferred_new_last = item;
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}
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}
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static void print_ssdiff_line(char *class, int old_line_no, char *old_line,
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int new_line_no, char *new_line)
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{
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html("<tr>");
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if (old_line_no > 0)
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htmlf("<td class='%s'>%d </td><td class='%s'>", class,
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old_line_no, class);
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else
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htmlf("<td class='%s_dark'> </td><td class='%s_dark'>", class, class);
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if (old_line) {
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old_line = replace_tabs(old_line + 1);
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html_txt(old_line);
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free(old_line);
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}
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html(" </td>");
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if (new_line_no > 0)
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htmlf("<td class='%s'> %d </td><td class='%s'>", class,
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new_line_no, class);
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else
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htmlf("<td class='%s_dark'> </td><td class='%s_dark'>", class, class);
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if (new_line) {
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new_line = replace_tabs(new_line + 1);
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html_txt(new_line);
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free(new_line);
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}
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html("</td></tr>");
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}
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static void print_deferred_old_lines()
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{
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struct deferred_lines *iter_old, *tmp;
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iter_old = deferred_old;
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while (iter_old) {
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print_ssdiff_line("del", iter_old->line_no,
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iter_old->line, -1, NULL);
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tmp = iter_old->next;
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free(iter_old);
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iter_old = tmp;
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}
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}
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static void print_deferred_new_lines()
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{
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struct deferred_lines *iter_new, *tmp;
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iter_new = deferred_new;
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while (iter_new) {
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print_ssdiff_line("add", -1, NULL, iter_new->line_no,
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iter_new->line);
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tmp = iter_new->next;
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free(iter_new);
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iter_new = tmp;
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}
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}
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static void print_deferred_changed_lines()
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{
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struct deferred_lines *iter_old, *iter_new, *tmp;
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iter_old = deferred_old;
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iter_new = deferred_new;
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while (iter_old || iter_new) {
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if (iter_old && iter_new)
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print_ssdiff_line("changed", iter_old->line_no,
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iter_old->line,
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iter_new->line_no, iter_new->line);
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else if (iter_old)
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print_ssdiff_line("changed", iter_old->line_no,
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iter_old->line, -1, NULL);
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else if (iter_new)
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print_ssdiff_line("changed", -1, NULL,
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iter_new->line_no, iter_new->line);
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if (iter_old) {
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tmp = iter_old->next;
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free(iter_old);
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iter_old = tmp;
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}
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if (iter_new) {
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tmp = iter_new->next;
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free(iter_new);
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iter_new = tmp;
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}
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}
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}
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void cgit_ssdiff_print_deferred_lines()
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{
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if (!deferred_old && !deferred_new)
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return;
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if (deferred_old && !deferred_new)
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print_deferred_old_lines();
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else if (!deferred_old && deferred_new)
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print_deferred_new_lines();
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else
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print_deferred_changed_lines();
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deferred_old = deferred_old_last = NULL;
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deferred_new = deferred_new_last = NULL;
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}
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/*
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* print a single line returned from xdiff
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*/
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void cgit_ssdiff_line_cb(char *line, int len)
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{
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char c = line[len - 1];
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line[len - 1] = '\0';
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if (line[0] == '@') {
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current_old_line = line_from_hunk(line, '-');
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current_new_line = line_from_hunk(line, '+');
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}
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if (line[0] == ' ') {
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if (deferred_old || deferred_new)
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cgit_ssdiff_print_deferred_lines();
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print_ssdiff_line("ctx", current_old_line, line,
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current_new_line, line);
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current_old_line += 1;
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current_new_line += 1;
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} else if (line[0] == '+') {
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deferred_new_add(line, current_new_line);
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current_new_line += 1;
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} else if (line[0] == '-') {
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deferred_old_add(line, current_old_line);
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current_old_line += 1;
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} else if (line[0] == '@') {
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html("<tr><td colspan='4' class='hunk'>");
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html_txt(line);
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html("</td></tr>");
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} else {
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html("<tr><td colspan='4' class='ctx'>");
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html_txt(line);
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html("</td></tr>");
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}
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line[len - 1] = c;
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}
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void cgit_ssdiff_header()
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{
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current_old_line = 0;
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current_new_line = 0;
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html("<table class='ssdiff'>");
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}
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void cgit_ssdiff_footer()
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{
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if (deferred_old || deferred_new)
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cgit_ssdiff_print_deferred_lines();
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html("</table>");
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}
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12
ui-ssdiff.h
Ficheiro normal
12
ui-ssdiff.h
Ficheiro normal
@ -0,0 +1,12 @@
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#ifndef UI_SSDIFF_H
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#define UI_SSDIFF_H
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extern void cgit_ssdiff_print_deferred_lines();
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extern void cgit_ssdiff_line_cb(char *line, int len);
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extern void cgit_ssdiff_header();
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extern void cgit_ssdiff_footer();
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#endif /* UI_SSDIFF_H */
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