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/* ui-log.c: functions for log output
 *
 * Copyright (C) 2006 Lars Hjemli
 *
 * Licensed under GNU General Public License v2
 *   (see COPYING for full license text)
 */

#include "cgit.h"

int files, lines;

void count_lines(char *line, int size)
{
	if (size>0 && (line[0] == '+' || line[0] == '-'))
		lines++;
}

void inspect_files(struct diff_filepair *pair)
{
	files++;
	if (cgit_repo->enable_log_linecount)
		cgit_diff_files(pair->one->sha1, pair->two->sha1, count_lines);
}

void print_commit(struct commit *commit)
{
	struct commitinfo *info;

	info = cgit_parse_commit(commit);
	html("<tr><td>");
	cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE);
	html("</td><td>");
	cgit_commit_link(info->subject, NULL, NULL, cgit_query_head,
			 sha1_to_hex(commit->object.sha1));
	if (cgit_repo->enable_log_filecount) {
		files = 0;
		lines = 0;
		cgit_diff_commit(commit, inspect_files);
		html("</td><td class='right'>");
		htmlf("%d", files);
		if (cgit_repo->enable_log_linecount) {
			html("</td><td class='right'>");
			htmlf("%d", lines);
		}
	}
	html("</td><td>");
	html_txt(info->author);
	html("</td></tr>\n");
	cgit_free_commitinfo(info);
}


void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *path, int pager)
{
	struct rev_info rev;
	struct commit *commit;
	const char *argv[] = {NULL, tip, NULL, NULL, NULL};
	int argc = 2;
	int i;

	if (!tip)
		argv[1] = cgit_query_head;

	if (grep)
		argv[argc++] = fmt("--grep=%s", grep);
	if (path) {
		argv[argc++] = "--";
		argv[argc++] = path;
	}
	init_revisions(&rev, NULL);
	rev.abbrev = DEFAULT_ABBREV;
	rev.commit_format = CMIT_FMT_DEFAULT;
	rev.verbose_header = 1;
	rev.show_root_diff = 0;
	setup_revisions(argc, argv, &rev, NULL);
	if (rev.grep_filter) {
		rev.grep_filter->regflags |= REG_ICASE;
		compile_grep_patterns(rev.grep_filter);
	}
	prepare_revision_walk(&rev);

	html("<table class='list nowrap'>");
	html("<tr class='nohover'><th class='left'>Age</th>"
	     "<th class='left'>Message</th>");

	if (cgit_repo->enable_log_filecount) {
		html("<th class='left'>Files</th>");
		if (cgit_repo->enable_log_linecount)
			html("<th class='left'>Lines</th>");
	}
	html("<th class='left'>Author</th></tr>\n");

	if (ofs<0)
		ofs = 0;

	for (i = 0; i < ofs && (commit = get_revision(&rev)) != NULL; i++) {
		free(commit->buffer);
		commit->buffer = NULL;
		free_commit_list(commit->parents);
		commit->parents = NULL;
	}

	for (i = 0; i < cnt && (commit = get_revision(&rev)) != NULL; i++) {
		print_commit(commit);
		free(commit->buffer);
		commit->buffer = NULL;
		free_commit_list(commit->parents);
		commit->parents = NULL;
	}
	html("</table>\n");

	if (pager) {
		html("<div class='pager'>");
		if (ofs > 0) {
			cgit_log_link("[prev]", NULL, NULL, cgit_query_head,
				      cgit_query_sha1, cgit_query_path,
				      ofs - cnt);
			html("&nbsp;");
		}
		if ((commit = get_revision(&rev)) != NULL) {
			cgit_log_link("[next]", NULL, NULL, cgit_query_head,
				      cgit_query_sha1, cgit_query_path,
				      ofs + cnt);
		}
		html("</div>");
	}
}
o->name, "refs/remotes/")) { strncpy(buf, deco->name + 13, sizeof(buf) - 1); cgit_log_link(buf, NULL, "remote-deco", NULL, sha1_to_hex(commit->object.sha1), ctx.qry.vpath, 0, NULL, NULL, ctx.qry.showmsg); } else { strncpy(buf, deco->name, sizeof(buf) - 1); cgit_commit_link(buf, NULL, "deco", ctx.qry.head, sha1_to_hex(commit->object.sha1), ctx.qry.vpath, 0); } deco = deco->next; } } void print_commit(struct commit *commit, struct rev_info *revs) { struct commitinfo *info; char *tmp; int cols = revs->graph ? 3 : 2; struct strbuf graphbuf = STRBUF_INIT; struct strbuf msgbuf = STRBUF_INIT; if (ctx.repo->enable_log_filecount) { cols++; if (ctx.repo->enable_log_linecount) cols++; } if (revs->graph) { /* Advance graph until current commit */ while (!graph_next_line(revs->graph, &graphbuf)) { /* Print graph segment in otherwise empty table row */ html("<tr class='nohover'><td class='commitgraph'>"); html(graphbuf.buf); htmlf("</td><td colspan='%d' /></tr>\n", cols); strbuf_setlen(&graphbuf, 0); } /* Current commit's graph segment is now ready in graphbuf */ } info = cgit_parse_commit(commit); htmlf("<tr%s>", ctx.qry.showmsg ? " class='logheader'" : ""); if (revs->graph) { /* Print graph segment for current commit */ html("<td class='commitgraph'>"); html(graphbuf.buf); html("</td>"); strbuf_setlen(&graphbuf, 0); } else { html("<td>"); tmp = fmt("id=%s", sha1_to_hex(commit->object.sha1)); tmp = cgit_fileurl(ctx.repo->url, "commit", ctx.qry.vpath, tmp); html_link_open(tmp, NULL, NULL); cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE); html_link_close(); html("</td>"); } htmlf("<td%s>", ctx.qry.showmsg ? " class='logsubject'" : ""); if (ctx.qry.showmsg) { /* line-wrap long commit subjects instead of truncating them */ size_t subject_len = strlen(info->subject); if (subject_len > ctx.cfg.max_msg_len && ctx.cfg.max_msg_len >= 15) { /* symbol for signaling line-wrap (in PAGE_ENCODING) */ const char wrap_symbol[] = { ' ', 0xE2, 0x86, 0xB5, 0 }; int i = ctx.cfg.max_msg_len - strlen(wrap_symbol); /* Rewind i to preceding space character */ while (i > 0 && !isspace(info->subject[i])) --i; if (!i) /* Oops, zero spaces. Reset i */ i = ctx.cfg.max_msg_len - strlen(wrap_symbol); /* add remainder starting at i to msgbuf */ strbuf_add(&msgbuf, info->subject + i, subject_len - i); strbuf_trim(&msgbuf); strbuf_add(&msgbuf, "\n\n", 2); /* Place wrap_symbol at position i in info->subject */ strcpy(info->subject + i, wrap_symbol); } } cgit_commit_link(info->subject, NULL, NULL, ctx.qry.head, sha1_to_hex(commit->object.sha1), ctx.qry.vpath, 0); show_commit_decorations(commit); html("</td><td>"); html_txt(info->author); if (revs->graph) { html("</td><td>"); tmp = fmt("id=%s", sha1_to_hex(commit->object.sha1)); tmp = cgit_fileurl(ctx.repo->url, "commit", ctx.qry.vpath, tmp); html_link_open(tmp, NULL, NULL); cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE); html_link_close(); } if (ctx.repo->enable_log_filecount) { files = 0; add_lines = 0; rem_lines = 0; cgit_diff_commit(commit, inspect_files, ctx.qry.vpath); html("</td><td>"); htmlf("%d", files); if (ctx.repo->enable_log_linecount) { html("</td><td>"); htmlf("-%d/+%d", rem_lines, add_lines); } } html("</td></tr>\n"); if (revs->graph || ctx.qry.showmsg) { /* Print a second table row */ html("<tr class='nohover'>"); if (ctx.qry.showmsg) { /* Concatenate commit message + notes in msgbuf */ if (info->msg && *(info->msg)) { strbuf_addstr(&msgbuf, info->msg); strbuf_addch(&msgbuf, '\n'); } format_note(NULL, commit->object.sha1, &msgbuf, PAGE_ENCODING, NOTES_SHOW_HEADER | NOTES_INDENT); strbuf_addch(&msgbuf, '\n'); strbuf_ltrim(&msgbuf); } if (revs->graph) { int lines = 0; /* Calculate graph padding */ if (ctx.qry.showmsg) { /* Count #lines in commit message + notes */ const char *p = msgbuf.buf; lines = 1; while ((p = strchr(p, '\n'))) { p++; lines++; } } /* Print graph padding */ html("<td class='commitgraph'>"); while (lines > 0 || !graph_is_commit_finished(revs->graph)) { if (graphbuf.len) html("\n"); strbuf_setlen(&graphbuf, 0); graph_next_line(revs->graph, &graphbuf); html(graphbuf.buf); lines--; } html("</td>\n"); } else html("<td/>"); /* Empty 'Age' column */ /* Print msgbuf into remainder of table row */ htmlf("<td colspan='%d'%s>\n", cols, ctx.qry.showmsg ? " class='logmsg'" : ""); html_txt(msgbuf.buf); html("</td></tr>\n"); } strbuf_release(&msgbuf); strbuf_release(&graphbuf); cgit_free_commitinfo(info); } static const char *disambiguate_ref(const char *ref) { unsigned char sha1[20]; const char *longref; longref = fmt("refs/heads/%s", ref); if (get_sha1(longref, sha1) == 0) return longref; return ref; } static char *next_token(char **src) { char *result; if (!src || !*src) return NULL; while (isspace(**src)) (*src)++; if (!**src) return NULL; result = *src; while (**src) { if (isspace(**src)) { **src = '\0'; (*src)++; break; } (*src)++; } return result; } void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern, char *path, int pager, int commit_graph) { struct rev_info rev; struct commit *commit; struct vector vec = VECTOR_INIT(char *); int i, columns = 3; char *arg; /* First argv is NULL */ vector_push(&vec, NULL, 0); if (!tip) tip = ctx.qry.head; tip = disambiguate_ref(tip); vector_push(&vec, &tip, 0); if (grep && pattern && *pattern) { pattern = xstrdup(pattern); if (!strcmp(grep, "grep") || !strcmp(grep, "author") || !strcmp(grep, "committer")) { arg = fmt("--%s=%s", grep, pattern); vector_push(&vec, &arg, 0); } if (!strcmp(grep, "range")) { /* Split the pattern at whitespace and add each token * as a revision expression. Do not accept other * rev-list options. Also, replace the previously * pushed tip (it's no longer relevant). */ vec.count--; while ((arg = next_token(&pattern))) { if (*arg == '-') { fprintf(stderr, "Bad range expr: %s\n", arg); break; } vector_push(&vec, &arg, 0); } } } if (commit_graph) { static const char *graph_arg = "--graph"; static const char *color_arg = "--color"; vector_push(&vec, &graph_arg, 0); vector_push(&vec, &color_arg, 0); graph_set_column_colors(column_colors_html, COLUMN_COLORS_HTML_MAX); } if (path) { arg = "--"; vector_push(&vec, &arg, 0); vector_push(&vec, &path, 0); } /* Make sure the vector is NULL-terminated */ vector_push(&vec, NULL, 0); vec.count--; init_revisions(&rev, NULL); rev.abbrev = DEFAULT_ABBREV; rev.commit_format = CMIT_FMT_DEFAULT; rev.verbose_header = 1; rev.show_root_diff = 0; setup_revisions(vec.count, vec.data, &rev, NULL); load_ref_decorations(DECORATE_FULL_REFS); rev.show_decorations = 1; rev.grep_filter.regflags |= REG_ICASE; compile_grep_patterns(&rev.grep_filter); prepare_revision_walk(&rev); if (pager) html("<table class='list nowrap'>"); html("<tr class='nohover'>"); if (commit_graph) html("<th></th>"); else html("<th class='left'>Age</th>"); html("<th class='left'>Commit message"); if (pager) { html(" ("); cgit_log_link(ctx.qry.showmsg ? "Collapse" : "Expand", NULL, NULL, ctx.qry.head, ctx.qry.sha1, ctx.qry.vpath, ctx.qry.ofs, ctx.qry.grep, ctx.qry.search, ctx.qry.showmsg ? 0 : 1); html(")"); } html("</th><th class='left'>Author</th>"); if (commit_graph) html("<th class='left'>Age</th>"); if (ctx.repo->enable_log_filecount) { html("<th class='left'>Files</th>"); columns++; if (ctx.repo->enable_log_linecount) { html("<th class='left'>Lines</th>"); columns++; } } html("</tr>\n"); if (ofs<0) ofs = 0; for (i = 0; i < ofs && (commit = get_revision(&rev)) != NULL; i++) { free(commit->buffer); commit->buffer = NULL; free_commit_list(commit->parents); commit->parents = NULL; } for (i = 0; i < cnt && (commit = get_revision(&rev)) != NULL; i++) { print_commit(commit, &rev); free(commit->buffer); commit->buffer = NULL; free_commit_list(commit->parents); commit->parents = NULL; } if (pager) { html("</table><div class='pager'>"); if (ofs > 0) { cgit_log_link("[prev]", NULL, NULL, ctx.qry.head, ctx.qry.sha1, ctx.qry.vpath, ofs - cnt, ctx.qry.grep, ctx.qry.search, ctx.qry.showmsg); html("&nbsp;"); } if ((commit = get_revision(&rev)) != NULL) { cgit_log_link("[next]", NULL, NULL, ctx.qry.head, ctx.qry.sha1, ctx.qry.vpath, ofs + cnt, ctx.qry.grep, ctx.qry.search, ctx.qry.showmsg); } html("</div>"); } else if ((commit = get_revision(&rev)) != NULL) { html("<tr class='nohover'><td colspan='3'>"); cgit_log_link("[...]", NULL, NULL, ctx.qry.head, NULL, ctx.qry.vpath, 0, NULL, NULL, ctx.qry.showmsg); html("</td></tr>\n"); } }