/* 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" /* * 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"; htmlf("
", class); line[len-1] = '\0'; html_txt(line); html("
"); line[len-1] = c; } static void filepair_cb(struct diff_filepair *pair) { html(""); html_txt(pair->two->path); html(""); html(""); if (cgit_diff_files(pair->one->sha1, pair->two->sha1, print_line)) cgit_print_error("Error running diff"); html(""); } void cgit_print_diff(const char *old_hex, const char *new_hex, char *path) { unsigned char sha1[20], sha2[20]; enum object_type type; unsigned long size; get_sha1(old_hex, sha1); get_sha1(new_hex, sha2); type = sha1_object_info(sha1, &size); if (type == OBJ_BAD) { type = sha1_object_info(sha2, &size); if (type == OBJ_BAD) { cgit_print_error(fmt("Bad object names: %s, %s", old_hex, new_hex)); return; } } html(""); switch(type) { case OBJ_BLOB: if (path) htmlf("", path); html(""); break; case OBJ_TREE: cgit_diff_tree(sha1, sha2, filepair_cb); break; default: cgit_print_error(fmt("Unhandled object type: %s", typename(type))); break; } html("
%s
"); if (cgit_diff_files(sha1, sha2, print_line)) cgit_print_error("Error running diff"); html("
"); }