/* 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" 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 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; case DIFF_STATUS_UNKNOWN: class = "unk"; break; case DIFF_STATUS_UNMERGED: class = "stg"; break; default: die("bug: unhandled diff status %c", info->status); } html(""); htmlf(""); 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("["); cgit_print_filemode(info->old_mode); html("]"); } htmlf("", class); cgit_diff_link(info->new_path, NULL, NULL, ctx.qry.head, ctx.qry.sha1, ctx.qry.sha2, info->new_path); 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(""); if (info->binary) { htmlf("bin%d -> %d bytes", info->old_size, info->new_size); return; } htmlf("%d", info->added + info->removed); html(""); htmlf("", (max_changes > 100 ? 100 : max_changes)); htmlf("
", info->added * 100.0 / max_changes); htmlf("", info->removed * 100.0 / max_changes); htmlf("", (max_changes - info->removed - info->added) * 100.0 / max_changes); html("
\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); 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_remo