1/* ui-log.c: functions for log output
  2 *
  3 * Copyright (C) 2006 Lars Hjemli
  4 *
  5 * Licensed under GNU General Public License v2
  6 *   (see COPYING for full license text)
  7 */
  8
  9#include "cgit.h"
 10#include "html.h"
 11#include "ui-shared.h"
 12
 13int files, add_lines, rem_lines;
 14
 15void count_lines(char *line, int size)
 16{
 17	if (size <= 0)
 18		return;
 19
 20	if (line[0] == '+')
 21		add_lines++;
 22
 23	else if (line[0] == '-')
 24		rem_lines++;
 25}
 26
 27void inspect_files(struct diff_filepair *pair)
 28{
 29	unsigned long old_size = 0;
 30	unsigned long new_size = 0;
 31	int binary = 0;
 32
 33	files++;
 34	if (ctx.repo->enable_log_linecount)
 35		cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size,
 36				&new_size, &binary, 0, ctx.qry.ignorews,
 37				count_lines);
 38}
 39
 40void show_commit_decorations(struct commit *commit)
 41{
 42	struct name_decoration *deco;
 43	static char buf[1024];
 44
 45	buf[sizeof(buf) - 1] = 0;
 46	deco = lookup_decoration(&name_decoration, &commit->object);
 47	while (deco) {
 48		if (!prefixcmp(deco->name, "refs/heads/")) {
 49			strncpy(buf, deco->name + 11, sizeof(buf) - 1);
 50			cgit_log_link(buf, NULL, "branch-deco", buf, NULL,
 51				      ctx.qry.vpath, 0, NULL, NULL,
 52				      ctx.qry.showmsg);
 53		}
 54		else if (!prefixcmp(deco->name, "tag: refs/tags/")) {
 55			strncpy(buf, deco->name + 15, sizeof(buf) - 1);
 56			cgit_tag_link(buf, NULL, "tag-deco", ctx.qry.head, buf);
 57		}
 58		else if (!prefixcmp(deco->name, "refs/tags/")) {
 59			strncpy(buf, deco->name + 10, sizeof(buf) - 1);
 60			cgit_tag_link(buf, NULL, "tag-deco", ctx.qry.head, buf);
 61		}
 62		else if (!prefixcmp(deco->name, "refs/remotes/")) {
 63			strncpy(buf, deco->name + 13, sizeof(buf) - 1);
 64			cgit_log_link(buf, NULL, "remote-deco", NULL,
 65				      sha1_to_hex(commit->object.sha1),
 66				      ctx.qry.vpath, 0, NULL, NULL,
 67				      ctx.qry.showmsg);
 68		}
 69		else {
 70			strncpy(buf, deco->name, sizeof(buf) - 1);
 71			cgit_commit_link(buf, NULL, "deco", ctx.qry.head,
 72					 sha1_to_hex(commit->object.sha1),
 73					 ctx.qry.vpath, 0);
 74		}
 75		deco = deco->next;
 76	}
 77}
 78
 79void print_commit(struct commit *commit)
 80{
 81	struct commitinfo *info;
 82	char *tmp;
 83	int cols = 2;
 84
 85	info = cgit_parse_commit(commit);
 86	htmlf("<tr%s><td>",
 87		ctx.qry.showmsg ? " class='logheader'" : "");
 88	tmp = fmt("id=%s", sha1_to_hex(commit->object.sha1));
 89	tmp = cgit_fileurl(ctx.repo->url, "commit", ctx.qry.vpath, tmp);
 90	html_link_open(tmp, NULL, NULL);
 91	cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE);
 92	html_link_close();
 93	htmlf("</td><td%s>",
 94		ctx.qry.showmsg ? " class='logsubject'" : "");
 95	cgit_commit_link(info->subject, NULL, NULL, ctx.qry.head,
 96			 sha1_to_hex(commit->object.sha1), ctx.qry.vpath, 0);
 97	show_commit_decorations(commit);
 98	html("</td><td>");
 99	html_txt(info->author);
100	if (ctx.repo->enable_log_filecount) {
101		files = 0;
102		add_lines = 0;
103		rem_lines = 0;
104		cgit_diff_commit(commit, inspect_files);
105		html("</td><td>");
106		htmlf("%d", files);
107		if (ctx.repo->enable_log_linecount) {
108			html("</td><td>");
109			htmlf("-%d/+%d", rem_lines, add_lines);
110		}
111	}
112	html("</td></tr>\n");
113	if (ctx.qry.showmsg) {
114		struct strbuf notes = STRBUF_INIT;
115		format_note(NULL, commit->object.sha1, &notes, PAGE_ENCODING, 0);
116
117		if (ctx.repo->enable_log_filecount) {
118			cols++;
119			if (ctx.repo->enable_log_linecount)
120				cols++;
121		}
122		htmlf("<tr class='nohover'><td/><td colspan='%d' class='logmsg'>",
123			cols);
124		html_txt(info->msg);
125		html("</td></tr>\n");
126		if (notes.len != 0) {
127			html("<tr class='nohover'>");
128			html("<td class='lognotes-label'>Notes:</td>");
129			htmlf("<td colspan='%d' class='lognotes'>",
130				cols);
131			html_txt(notes.buf);
132			html("</td></tr>\n");
133		}
134		strbuf_release(&notes);
135	}
136	cgit_free_commitinfo(info);
137}
138
139static const char *disambiguate_ref(const char *ref)
140{
141	unsigned char sha1[20];
142	const char *longref;
143
144	longref = fmt("refs/heads/%s", ref);
145	if (get_sha1(longref, sha1) == 0)
146		return longref;
147
148	return ref;
149}
150
151void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern,
152		    char *path, int pager)
153{
154	struct rev_info rev;
155	struct commit *commit;
156	const char *argv[] = {NULL, NULL, NULL, NULL, NULL};
157	int argc = 2;
158	int i, columns = 3;
159
160	if (!tip)
161		tip = ctx.qry.head;
162
163	argv[1] = disambiguate_ref(tip);
164
165	if (grep && pattern) {
166		if (!strcmp(grep, "grep") || !strcmp(grep, "author") ||
167		    !strcmp(grep, "committer"))
168			argv[argc++] = fmt("--%s=%s", grep, pattern);
169		if (!strcmp(grep, "range"))
170			argv[1] = pattern;
171	}
172
173	if (path) {
174		argv[argc++] = "--";
175		argv[argc++] = path;
176	}
177	init_revisions(&rev, NULL);
178	rev.abbrev = DEFAULT_ABBREV;
179	rev.commit_format = CMIT_FMT_DEFAULT;
180	rev.verbose_header = 1;
181	rev.show_root_diff = 0;
182	setup_revisions(argc, argv, &rev, NULL);
183	load_ref_decorations(DECORATE_FULL_REFS);
184	rev.show_decorations = 1;
185	rev.grep_filter.regflags |= REG_ICASE;
186	compile_grep_patterns(&rev.grep_filter);
187	prepare_revision_walk(&rev);
188
189	if (pager)
190		html("<table class='list nowrap'>");
191
192	html("<tr class='nohover'><th class='left'>Age</th>"
193	      "<th class='left'>Commit message");
194	if (pager) {
195		html(" (");
196		cgit_log_link(ctx.qry.showmsg ? "Collapse" : "Expand", NULL,
197			      NULL, ctx.qry.head, ctx.qry.sha1,
198			      ctx.qry.vpath, ctx.qry.ofs, ctx.qry.grep,
199			      ctx.qry.search, ctx.qry.showmsg ? 0 : 1);
200		html(")");
201	}
202	html("</th><th class='left'>Author</th>");
203	if (ctx.repo->enable_log_filecount) {
204		html("<th class='left'>Files</th>");
205		columns++;
206		if (ctx.repo->enable_log_linecount) {
207			html("<th class='left'>Lines</th>");
208			columns++;
209		}
210	}
211	html("</tr>\n");
212
213	if (ofs<0)
214		ofs = 0;
215
216	for (i = 0; i < ofs && (commit = get_revision(&rev)) != NULL; i++) {
217		free(commit->buffer);
218		commit->buffer = NULL;
219		free_commit_list(commit->parents);
220		commit->parents = NULL;
221	}
222
223	for (i = 0; i < cnt && (commit = get_revision(&rev)) != NULL; i++) {
224		print_commit(commit);
225		free(commit->buffer);
226		commit->buffer = NULL;
227		free_commit_list(commit->parents);
228		commit->parents = NULL;
229	}
230	if (pager) {
231		htmlf("</table><div class='pager'>",
232		     columns);
233		if (ofs > 0) {
234			cgit_log_link("[prev]", NULL, NULL, ctx.qry.head,
235				      ctx.qry.sha1, ctx.qry.vpath,
236				      ofs - cnt, ctx.qry.grep,
237				      ctx.qry.search, ctx.qry.showmsg);
238			html("&nbsp;");
239		}
240		if ((commit = get_revision(&rev)) != NULL) {
241			cgit_log_link("[next]", NULL, NULL, ctx.qry.head,
242				      ctx.qry.sha1, ctx.qry.vpath,
243				      ofs + cnt, ctx.qry.grep,
244				      ctx.qry.search, ctx.qry.showmsg);
245		}
246		html("</div>");
247	} else if ((commit = get_revision(&rev)) != NULL) {
248		html("<tr class='nohover'><td colspan='3'>");
249		cgit_log_link("[...]", NULL, NULL, ctx.qry.head, NULL,
250			      ctx.qry.vpath, 0, NULL, NULL, ctx.qry.showmsg);
251		html("</td></tr>\n");
252	}
253}