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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>");
	char *qry = fmt("h=%s", sha1_to_hex(commit->object.sha1));
	char *url = cgit_pageurl(cgit_query_repo, "commit", qry);
	html_link_open(url, NULL, NULL);
	html_ntxt(cgit_max_msg_len, info->subject);
	html_link_close();
	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 (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) {
			html("&nbsp;<a href='");
			html(cgit_pageurl(cgit_query_repo, cgit_query_page,
					  fmt("h=%s&amp;ofs=%d", tip, ofs-cnt)));
			html("'>[prev]</a>&nbsp;");
		}

		if ((commit = get_revision(&rev)) != NULL) {
			html("&nbsp;<a href='");
			html(cgit_pageurl(cgit_query_repo, "log",
					  fmt("h=%s&amp;ofs=%d", tip, ofs+cnt)));
			html("'>[next]</a>&nbsp;");
		}
		html("</div>");
	}
}
">->enable_remote_branches) goto next; 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); } next: deco = deco->next; } html("</span>"); } static void print_commit(struct commit *commit, struct rev_info *revs) { struct commitinfo *info; int columns = revs->graph ? 4 : 3; struct strbuf graphbuf = STRBUF_INIT; struct strbuf msgbuf = STRBUF_INIT; if (ctx.repo->enable_log_filecount) columns++; if (ctx.repo->enable_log_linecount) columns++; 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", columns); 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>"); cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE); 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>"); cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE); } if (ctx.repo->enable_log_filecount || ctx.repo->enable_log_linecount) { files = 0; add_lines = 0; rem_lines = 0; cgit_diff_commit(commit, inspect_files, ctx.qry.vpath); } if (ctx.repo->enable_log_filecount) htmlf("</td><td>%d", files); if (ctx.repo->enable_log_linecount) htmlf("</td><td>-%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_display_notes(commit->object.sha1, &msgbuf, PAGE_ENCODING, 0); 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", columns - (revs->graph ? 1 : 0), 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, int *must_free_result) { unsigned char sha1[20]; struct strbuf longref = STRBUF_INIT; strbuf_addf(&longref, "refs/heads/%s", ref); if (get_sha1(longref.buf, sha1) == 0) { *must_free_result = 1; return strbuf_detach(&longref, NULL); } *must_free_result = 0; strbuf_release(&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, int commit_sort) { struct rev_info rev; struct commit *commit; struct argv_array rev_argv = ARGV_ARRAY_INIT; int i, columns = commit_graph ? 4 : 3; int must_free_tip = 0; /* rev_argv.argv[0] will be ignored by setup_revisions */ argv_array_push(&rev_argv, "log_rev_setup"); if (!tip) tip = ctx.qry.head; tip = disambiguate_ref(tip, &must_free_tip); argv_array_push(&rev_argv, tip); if (grep && pattern && *pattern) { pattern = xstrdup(pattern); if (!strcmp(grep, "grep") || !strcmp(grep, "author") || !strcmp(grep, "committer")) { argv_array_pushf(&rev_argv, "--%s=%s", grep, pattern); } else if (!strcmp(grep, "range")) { char *arg; /* 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). */ argv_array_pop(&rev_argv); while ((arg = next_token(&pattern))) { if (*arg == '-') { fprintf(stderr, "Bad range expr: %s\n", arg); break; } argv_array_push(&rev_argv, arg); } } } if (commit_graph) { argv_array_push(&rev_argv, "--graph"); argv_array_push(&rev_argv, "--color"); graph_set_column_colors(column_colors_html, COLUMN_COLORS_HTML_MAX); } if (commit_sort == 1) argv_array_push(&rev_argv, "--date-order"); else if (commit_sort == 2) argv_array_push(&rev_argv, "--topo-order"); if (path) { argv_array_push(&rev_argv, "--"); argv_array_push(&rev_argv, 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(rev_argv.argc, rev_argv.argv, &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><ul class='pager'>"); if (ofs > 0) { html("<li>"); 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("</li>"); } if ((commit = get_revision(&rev)) != NULL) { html("<li>"); 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("</li>"); } html("</ul>"); } else if ((commit = get_revision(&rev)) != NULL) { htmlf("<tr class='nohover'><td colspan='%d'>", columns); cgit_log_link("[...]", NULL, NULL, ctx.qry.head, NULL, ctx.qry.vpath, 0, NULL, NULL, ctx.qry.showmsg); html("</td></tr>\n"); } /* If we allocated tip then it is safe to cast away const. */ if (must_free_tip) free((char*) tip); }