-rw-r--r-- | ui-diff.c | 92 |
1 files changed, 75 insertions, 17 deletions
@@ -1,58 +1,60 @@ /* ui-diff.c: show diff between two blobs * * Copyright (C) 2006 Lars Hjemli * * Licensed under GNU General Public License v2 * (see COPYING for full license text) */ #include "cgit.h" #include "html.h" #include "ui-shared.h" +#include "ui-ssdiff.h" unsigned char old_rev_sha1[20]; unsigned char new_rev_sha1[20]; static int files, slots; static int total_adds, total_rems, max_changes; static int lines_added, lines_removed; static struct fileinfo { char status; unsigned char old_sha1[20]; unsigned char new_sha1[20]; unsigned short old_mode; unsigned short new_mode; char *old_path; char *new_path; unsigned int added; unsigned int removed; unsigned long old_size; unsigned long new_size; int binary:1; } *items; +static int use_ssdiff = 0; static void print_fileinfo(struct fileinfo *info) { char *class; switch (info->status) { case DIFF_STATUS_ADDED: class = "add"; break; case DIFF_STATUS_COPIED: class = "cpy"; break; case DIFF_STATUS_DELETED: class = "del"; break; case DIFF_STATUS_MODIFIED: class = "upd"; break; case DIFF_STATUS_RENAMED: class = "mov"; break; case DIFF_STATUS_TYPE_CHANGED: class = "typ"; break; @@ -62,128 +64,144 @@ static void print_fileinfo(struct fileinfo *info) case DIFF_STATUS_UNMERGED: class = "stg"; break; default: die("bug: unhandled diff status %c", info->status); } html("<tr>"); htmlf("<td class='mode'>"); if (is_null_sha1(info->new_sha1)) { cgit_print_filemode(info->old_mode); } else { cgit_print_filemode(info->new_mode); } if (info->old_mode != info->new_mode && !is_null_sha1(info->old_sha1) && !is_null_sha1(info->new_sha1)) { html("<span class='modechange'>["); cgit_print_filemode(info->old_mode); html("]</span>"); } htmlf("</td><td class='%s'>", class); cgit_diff_link(info->new_path, NULL, NULL, ctx.qry.head, ctx.qry.sha1, - ctx.qry.sha2, info->new_path); + ctx.qry.sha2, info->new_path, 0); if (info->status == DIFF_STATUS_COPIED || info->status == DIFF_STATUS_RENAMED) htmlf(" (%s from %s)", info->status == DIFF_STATUS_COPIED ? "copied" : "renamed", info->old_path); html("</td><td class='right'>"); if (info->binary) { htmlf("bin</td><td class='graph'>%d -> %d bytes", info->old_size, info->new_size); return; } htmlf("%d", info->added + info->removed); html("</td><td class='graph'>"); htmlf("<table summary='file diffstat' width='%d%%'><tr>", (max_changes > 100 ? 100 : max_changes)); htmlf("<td class='add' style='width: %.1f%%;'/>", info->added * 100.0 / max_changes); htmlf("<td class='rem' style='width: %.1f%%;'/>", info->removed * 100.0 / max_changes); htmlf("<td class='none' style='width: %.1f%%;'/>", (max_changes - info->removed - info->added) * 100.0 / max_changes); html("</tr></table></td></tr>\n"); } static void count_diff_lines(char *line, int len) { if (line && (len > 0)) { if (line[0] == '+') lines_added++; else if (line[0] == '-') lines_removed++; } } static void inspect_filepair(struct diff_filepair *pair) { int binary = 0; unsigned long old_size = 0; unsigned long new_size = 0; files++; lines_added = 0; lines_removed = 0; cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size, &new_size, - &binary, count_diff_lines); + &binary, 0, ctx.qry.ignorews, count_diff_lines); if (files >= slots) { if (slots == 0) slots = 4; else slots = slots * 2; items = xrealloc(items, slots * sizeof(struct fileinfo)); } items[files-1].status = pair->status; hashcpy(items[files-1].old_sha1, pair->one->sha1); hashcpy(items[files-1].new_sha1, pair->two->sha1); items[files-1].old_mode = pair->one->mode; items[files-1].new_mode = pair->two->mode; items[files-1].old_path = xstrdup(pair->one->path); items[files-1].new_path = xstrdup(pair->two->path); items[files-1].added = lines_added; items[files-1].removed = lines_removed; items[files-1].old_size = old_size; items[files-1].new_size = new_size; items[files-1].binary = binary; if (lines_added + lines_removed > max_changes) max_changes = lines_added + lines_removed; total_adds += lines_added; total_rems += lines_removed; } void cgit_print_diffstat(const unsigned char *old_sha1, - const unsigned char *new_sha1) + const unsigned char *new_sha1, const char *prefix) { - int i; + int i, save_context = ctx.qry.context; html("<div class='diffstat-header'>"); cgit_diff_link("Diffstat", NULL, NULL, ctx.qry.head, ctx.qry.sha1, - ctx.qry.sha2, NULL); + ctx.qry.sha2, NULL, 0); + if (prefix) + htmlf(" (limited to '%s')", prefix); + html(" ("); + ctx.qry.context = (save_context > 0 ? save_context : 3) << 1; + cgit_self_link("more", NULL, NULL, &ctx); + html("/"); + ctx.qry.context = (save_context > 3 ? save_context : 3) >> 1; + cgit_self_link("less", NULL, NULL, &ctx); + ctx.qry.context = save_context; + html(" context)"); + html(" ("); + ctx.qry.ignorews = (ctx.qry.ignorews + 1) % 2; + cgit_self_link(ctx.qry.ignorews ? "ignore" : "show", NULL, NULL, &ctx); + ctx.qry.ignorews = (ctx.qry.ignorews + 1) % 2; + html(" whitespace changes)"); html("</div>"); html("<table summary='diffstat' class='diffstat'>"); max_changes = 0; - cgit_diff_tree(old_sha1, new_sha1, inspect_filepair, NULL); + cgit_diff_tree(old_sha1, new_sha1, inspect_filepair, prefix, + ctx.qry.ignorews); for(i = 0; i<files; i++) print_fileinfo(&items[i]); html("</table>"); html("<div class='diffstat-summary'>"); htmlf("%d files changed, %d insertions, %d deletions", files, total_adds, total_rems); html("</div>"); } /* * print a single line returned from xdiff */ static void print_line(char *line, int len) { char *class = "ctx"; char c = line[len-1]; if (line[0] == '+') class = "add"; else if (line[0] == '-') class = "del"; else if (line[0] == '@') class = "hunk"; @@ -225,89 +243,129 @@ static void header(unsigned char *sha1, char *path1, int mode1, htmlf("<br/>index %s..%s", abbrev1, abbrev2); free(abbrev1); free(abbrev2); if (mode1 != 0 && mode2 != 0) { htmlf(" %.6o", mode1); if (mode2 != mode1) htmlf("..%.6o", mode2); } html("<br/>--- a/"); if (mode1 != 0) cgit_tree_link(path1, NULL, NULL, ctx.qry.head, sha1_to_hex(old_rev_sha1), path1); else html_txt(path1); html("<br/>+++ b/"); if (mode2 != 0) cgit_tree_link(path2, NULL, NULL, ctx.qry.head, sha1_to_hex(new_rev_sha1), path2); else html_txt(path2); } html("</div>"); } +static void print_ssdiff_link() +{ + if (!strcmp(ctx.qry.page, "diff")) { + if (use_ssdiff) + cgit_diff_link("Unidiff", NULL, NULL, ctx.qry.head, + ctx.qry.sha1, ctx.qry.sha2, ctx.qry.path, 1); + else + cgit_diff_link("Side-by-side diff", NULL, NULL, + ctx.qry.head, ctx.qry.sha1, + ctx.qry.sha2, ctx.qry.path, 1); + } +} + static void filepair_cb(struct diff_filepair *pair) { unsigned long old_size = 0; unsigned long new_size = 0; int binary = 0; + linediff_fn print_line_fn = print_line; + if (use_ssdiff) { + cgit_ssdiff_header_begin(); + print_line_fn = cgit_ssdiff_line_cb; + } header(pair->one->sha1, pair->one->path, pair->one->mode, pair->two->sha1, pair->two->path, pair->two->mode); + if (use_ssdiff) + cgit_ssdiff_header_end(); if (S_ISGITLINK(pair->one->mode) || S_ISGITLINK(pair->two->mode)) { if (S_ISGITLINK(pair->one->mode)) - print_line(fmt("-Subproject %s", sha1_to_hex(pair->one->sha1)), 52); + print_line_fn(fmt("-Subproject %s", sha1_to_hex(pair->one->sha1)), 52); if (S_ISGITLINK(pair->two->mode)) - print_line(fmt("+Subproject %s", sha1_to_hex(pair->two->sha1)), 52); + print_line_fn(fmt("+Subproject %s", sha1_to_hex(pair->two->sha1)), 52); + if (use_ssdiff) + cgit_ssdiff_footer(); return; } - if (cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size, - &new_size, &binary, print_line)) + if (cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size, + &new_size, &binary, ctx.qry.context, + ctx.qry.ignorews, print_line_fn)) cgit_print_error("Error running diff"); - if (binary) - html("Binary files differ"); + if (binary) { + if (use_ssdiff) + html("<tr><td colspan='4'>Binary files differ</td></tr>"); + else + html("Binary files differ"); + } + if (use_ssdiff) + cgit_ssdiff_footer(); } void cgit_print_diff(const char *new_rev, const char *old_rev, const char *prefix) { enum object_type type; unsigned long size; struct commit *commit, *commit2; if (!new_rev) new_rev = ctx.qry.head; get_sha1(new_rev, new_rev_sha1); type = sha1_object_info(new_rev_sha1, &size); if (type == OBJ_BAD) { cgit_print_error(fmt("Bad object name: %s", new_rev)); return; } commit = lookup_commit_reference(new_rev_sha1); if (!commit || parse_commit(commit)) cgit_print_error(fmt("Bad commit: %s", sha1_to_hex(new_rev_sha1))); if (old_rev) get_sha1(old_rev, old_rev_sha1); else if (commit->parents && commit->parents->item) hashcpy(old_rev_sha1, commit->parents->item->object.sha1); else hashclr(old_rev_sha1); if (!is_null_sha1(old_rev_sha1)) { type = sha1_object_info(old_rev_sha1, &size); if (type == OBJ_BAD) { cgit_print_error(fmt("Bad object name: %s", sha1_to_hex(old_rev_sha1))); return; } commit2 = lookup_commit_reference(old_rev_sha1); if (!commit2 || parse_commit(commit2)) cgit_print_error(fmt("Bad commit: %s", sha1_to_hex(old_rev_sha1))); } - cgit_print_diffstat(old_rev_sha1, new_rev_sha1); - html("<table summary='diff' class='diff'>"); - html("<tr><td>"); - cgit_diff_tree(old_rev_sha1, new_rev_sha1, filepair_cb, prefix); - html("</td></tr>"); + if ((ctx.qry.ssdiff && !ctx.cfg.ssdiff) || (!ctx.qry.ssdiff && ctx.cfg.ssdiff)) + use_ssdiff = 1; + + print_ssdiff_link(); + cgit_print_diffstat(old_rev_sha1, new_rev_sha1, prefix); + + if (use_ssdiff) { + html("<table summary='ssdiff' class='ssdiff'>"); + } else { + html("<table summary='diff' class='diff'>"); + html("<tr><td>"); + } + cgit_diff_tree(old_rev_sha1, new_rev_sha1, filepair_cb, prefix, + ctx.qry.ignorews); + if (!use_ssdiff) + html("</td></tr>"); html("</table>"); } |