From b76c2afc7513ecf74694a73bf004bfb4315758f6 Mon Sep 17 00:00:00 2001 From: Jonas Fonseca Date: Sat, 29 Apr 2006 03:04:19 +0200 Subject: [PATCH] Primitive option parsing; rendering generalizations --- Makefile | 5 +- tig.c | 394 +++++++++++++++++++++++++++++++++++++++++++------------ 2 files changed, 314 insertions(+), 85 deletions(-) diff --git a/Makefile b/Makefile index 3872851..10339ac 100644 --- a/Makefile +++ b/Makefile @@ -20,8 +20,9 @@ clean: tig: tig.c tig.1.txt: tig.c - sed -n '/^\/\*\*/,/\*\*\//p' < $< | \ - sed '/^[^*]\*\*/d' | \ + sed -n '/\/\*\*/,/\*\*\//p' < $< | \ + sed 's/.*\*\*\///' | \ + sed '/^[^*]*\*\*/d' | \ sed 's/\*\///;s/^[^*]*\* *//' > $@ %.1.html : %.1.txt diff --git a/tig.c b/tig.c index bd0fa21..b29a2eb 100644 --- a/tig.c +++ b/tig.c @@ -9,28 +9,25 @@ * SYNOPSIS * -------- * [verse] - * tig - * tig log [git log options] - * tig diff [git diff options] - * tig < [git log or git diff output] + * tig [options] + * tig [options] log [git log options] + * tig [options] diff [git diff options] + * tig [options] < [git log or git diff output] * * DESCRIPTION * ----------- * Browse changes in a git repository. - * - * OPTIONS - * ------- - * - * None. - * **/ #define DEBUG - #ifndef DEBUG #define NDEBUG #endif +#ifndef VERSION +#define VERSION "tig-0.1" +#endif + #include #include #include @@ -38,6 +35,7 @@ #include #include #include +#include #include #include @@ -66,27 +64,132 @@ static void report(const char *msg, ...); #define REQ_REDRAW (REQ_OFFSET + 15) #define REQ_FIRST_LINE (REQ_OFFSET + 16) #define REQ_LAST_LINE (REQ_OFFSET + 17) +#define REQ_LINE_NUMBER (REQ_OFFSET + 18) + +#define SIZEOF_VIEWS (REQ_VIEWS - REQ_OFFSET) +#define SIZEOF_ID 1024 #define COLOR_TRANSP (-1) +/** + * OPTIONS + * ------- + **/ + +static int opt_line_number; +static int opt_request = REQ_MAIN; + +char head_id[SIZEOF_ID] = "HEAD"; +char commit_id[SIZEOF_ID] = "HEAD"; + + +/* Returns the index of log or diff command or -1 to exit. */ +static int +parse_options(int argc, char *argv[]) +{ + int i; + + for (i = 1; i < argc; i++) { + char *opt = argv[i]; + + /** + * log [options]:: + * git log options. + **/ + if (!strcmp(opt, "log")) { + opt_request = REQ_LOG; + return i; + + /** + * diff [options]:: + * git diff options. + **/ + } else if (!strcmp(opt, "diff")) { + opt_request = REQ_DIFF; + return i; + + /** + * -l:: + * Start up in log view. + **/ + } else if (!strcmp(opt, "-l")) { + opt_request = REQ_LOG; + + /** + * -d:: + * Start up in diff view. + **/ + } else if (!strcmp(opt, "-d")) { + opt_request = REQ_DIFF; + + /** + * -n, --line-number:: + * Prefix line numbers in log and diff view. + **/ + } else if (!strcmp(opt, "-n") || + !strcmp(opt, "--line-number")) { + opt_line_number = 1; + + /** + * -v, --version:: + * Show version and exit. + **/ + } else if (!strcmp(opt, "-v") || + !strcmp(opt, "--version")) { + printf("tig version %s\n", VERSION); + return -1; + + /** + * ref:: + * Commit reference, symbolic or raw SHA1 ID. + **/ + } else if (opt[0] && opt[0] != '-') { + strncpy(head_id, opt, SIZEOF_ID); + strncpy(commit_id, opt, SIZEOF_ID); + + } else { + die("Unknown command: '%s'", opt); + } + } + + return i; +} + + +/* + * Line-oriented content detection. + */ + enum line_type { + LINE_DEFAULT, LINE_AUTHOR, + LINE_AUTHOR_IDENT, LINE_COMMIT, + LINE_COMMITTER, + LINE_CURSOR, LINE_DATE, LINE_DIFF, LINE_DIFF_ADD, - LINE_DIFF_DEL, LINE_DIFF_CHUNK, + LINE_DIFF_COPY, + LINE_DIFF_DEL, + LINE_DIFF_DISSIM, + LINE_DIFF_NEWMODE, + LINE_DIFF_OLDMODE, + LINE_DIFF_RENAME, + LINE_DIFF_SIM, LINE_DIFF_TREE, LINE_INDEX, + LINE_MAIN_AUTHOR, + LINE_MAIN_COMMIT, + LINE_MAIN_DATE, + LINE_MAIN_DELIM, + LINE_MERGE, LINE_PARENT, - LINE_TREE, - - LINE_UNKNOWN, - LINE_CURSOR, LINE_STATUS, LINE_TITLE, + LINE_TREE, }; struct line_info { @@ -103,24 +206,42 @@ struct line_info { { LINE_##type, (line), sizeof(line) - 1, (fg), (bg), (attr) } static struct line_info line_info[] = { - LINE(AUTHOR, "Author: ", COLOR_CYAN, COLOR_TRANSP, 0), - //LINE(AUTHOR, "author ", COLOR_CYAN, COLOR_TRANSP, 0), - LINE(COMMIT, "commit ", COLOR_GREEN, COLOR_TRANSP, 0), - LINE(DATE, "Date: ", COLOR_YELLOW, COLOR_TRANSP, 0), - LINE(DIFF_ADD, "+", COLOR_GREEN, COLOR_TRANSP, 0), - LINE(DIFF_CHUNK, "@", COLOR_MAGENTA, COLOR_TRANSP, 0), - LINE(DIFF_DEL, "-", COLOR_RED, COLOR_TRANSP, 0), - LINE(DIFF, "diff --git ", COLOR_YELLOW, COLOR_TRANSP, 0), - LINE(DIFF_TREE, "diff-tree ", COLOR_BLUE, COLOR_TRANSP, 0), - LINE(INDEX, "index ", COLOR_BLUE, COLOR_TRANSP, 0), - LINE(PARENT, "parent ", COLOR_GREEN, COLOR_TRANSP, 0), - LINE(TREE, "tree ", COLOR_GREEN, COLOR_TRANSP, 0), - - LINE(UNKNOWN, "", COLOR_TRANSP, COLOR_TRANSP, A_NORMAL), - - LINE(CURSOR, "", COLOR_WHITE, COLOR_GREEN, A_BOLD), - LINE(STATUS, "", COLOR_GREEN, COLOR_TRANSP, 0), - LINE(TITLE, "", COLOR_YELLOW, COLOR_BLUE, A_BOLD), + /* Diff markup */ + LINE(DIFF, "diff --git ", COLOR_YELLOW, COLOR_TRANSP, 0), + LINE(INDEX, "index ", COLOR_BLUE, COLOR_TRANSP, 0), + LINE(DIFF_CHUNK, "@@", COLOR_MAGENTA, COLOR_TRANSP, 0), + LINE(DIFF_ADD, "+", COLOR_GREEN, COLOR_TRANSP, 0), + LINE(DIFF_DEL, "-", COLOR_RED, COLOR_TRANSP, 0), + LINE(DIFF_OLDMODE, "old mode ", COLOR_YELLOW, COLOR_TRANSP, 0), + LINE(DIFF_NEWMODE, "new mode ", COLOR_YELLOW, COLOR_TRANSP, 0), + LINE(DIFF_COPY, "copy ", COLOR_YELLOW, COLOR_TRANSP, 0), + LINE(DIFF_RENAME, "rename ", COLOR_YELLOW, COLOR_TRANSP, 0), + LINE(DIFF_SIM, "similarity ", COLOR_YELLOW, COLOR_TRANSP, 0), + LINE(DIFF_DISSIM, "dissimilarity ", COLOR_YELLOW, COLOR_TRANSP, 0), + + /* Pretty print commit header */ + LINE(AUTHOR, "Author: ", COLOR_CYAN, COLOR_TRANSP, 0), + LINE(MERGE, "Merge: ", COLOR_BLUE, COLOR_TRANSP, 0), + LINE(DATE, "Date: ", COLOR_YELLOW, COLOR_TRANSP, 0), + + /* Raw commit header */ + LINE(COMMIT, "commit ", COLOR_GREEN, COLOR_TRANSP, 0), + LINE(PARENT, "parent ", COLOR_BLUE, COLOR_TRANSP, 0), + LINE(TREE, "tree ", COLOR_BLUE, COLOR_TRANSP, 0), + LINE(AUTHOR_IDENT, "author ", COLOR_CYAN, COLOR_TRANSP, 0), + LINE(COMMITTER, "committer ", COLOR_MAGENTA, COLOR_TRANSP, 0), + + LINE(DIFF_TREE, "diff-tree ", COLOR_BLUE, COLOR_TRANSP, 0), + + /* UI colors */ + LINE(DEFAULT, "", COLOR_TRANSP, COLOR_TRANSP, A_NORMAL), + LINE(CURSOR, "", COLOR_WHITE, COLOR_GREEN, A_BOLD), + LINE(STATUS, "", COLOR_GREEN, COLOR_TRANSP, 0), + LINE(TITLE, "", COLOR_YELLOW, COLOR_BLUE, A_BOLD), + LINE(MAIN_DATE, "", COLOR_BLUE, COLOR_TRANSP, 0), + LINE(MAIN_AUTHOR, "", COLOR_GREEN, COLOR_TRANSP, 0), + LINE(MAIN_COMMIT, "", COLOR_TRANSP, COLOR_TRANSP, 0), + LINE(MAIN_DELIM, "", COLOR_MAGENTA, COLOR_TRANSP, 0), }; static struct line_info * @@ -145,7 +266,7 @@ get_line_type(char *line) { struct line_info *info = get_line_info(line); - return info ? info->type : LINE_UNKNOWN; + return info ? info->type : LINE_DEFAULT; } static int @@ -184,8 +305,6 @@ init_colors(void) } - - /** * KEYS * ---- @@ -239,6 +358,8 @@ struct keymap keymap[] = { { 'l', REQ_LOG }, { 'm', REQ_MAIN }, + { 'n', REQ_LINE_NUMBER }, + /* No input from wgetch() with nodelay() enabled. */ { ERR, REQ_UPDATE }, @@ -295,6 +416,8 @@ struct view { struct commit { char id[41]; char title[75]; + char author[75]; + struct tm time; }; static int pager_draw(struct view *view, unsigned int lineno); @@ -318,12 +441,6 @@ static WINDOW *status_win; static WINDOW *title_win; -#define SIZEOF_ID 1024 -#define SIZEOF_VIEWS (REQ_VIEWS - REQ_OFFSET) - -char head_id[SIZEOF_ID] = "HEAD"; -char commit_id[SIZEOF_ID] = "HEAD"; - static unsigned int current_view; static unsigned int nloading; @@ -359,6 +476,29 @@ redraw_view(struct view *view) wrefresh(view->win); } +static void +resize_view(struct view *view) +{ + int lines, cols; + + getmaxyx(stdscr, lines, cols); + + if (view->win) { + mvwin(view->win, 0, 0); + wresize(view->win, lines - 2, cols); + + } else { + view->win = newwin(lines - 2, 0, 0, 0); + if (!view->win) { + report("failed to create %s view", view->name); + return; + } + scrollok(view->win, TRUE); + } + + getmaxyx(view->win, view->height, view->width); +} + /* FIXME: Fix percentage. */ static void report_position(struct view *view, int all) @@ -381,7 +521,10 @@ move_view(struct view *view, int lines) assert(0 <= view->offset && view->offset < view->lines); assert(lines); - { + if (view->height < (lines > 0 ? lines : -lines)) { + redraw_view(view); + + } else { int line = lines > 0 ? view->height - lines : 0; int end = line + (lines > 0 ? lines : -lines); @@ -447,7 +590,6 @@ scroll_view(struct view *view, int request) move_view(view, lines); } - static void navigate_view(struct view *view, int request) { @@ -485,7 +627,7 @@ navigate_view(struct view *view, int request) report("already at first line"); return; - } else if (steps > 0 && view->lineno + 1 >= view->lines) { + } else if (steps > 0 && view->lineno + 1 == view->lines) { report("already at last line"); return; } @@ -497,14 +639,21 @@ navigate_view(struct view *view, int request) view->lineno >= view->offset + view->height) { if (steps < 0 && -steps > view->offset) { steps = -view->offset; - } else if (steps > 0 && steps > view->height) { - steps -= view->height - 1; + + } else if (steps > 0) { + if (view->lineno == view->lines - 1 && + view->lines > view->height) { + steps = view->lines - view->offset - 1; + if (steps >= view->height) + steps -= view->height - 1; + } } move_view(view, steps); return; } + /* Draw the cursor line */ view->draw(view, view->lineno - view->offset); redrawwin(view->win); @@ -513,28 +662,6 @@ navigate_view(struct view *view, int request) report_position(view, view->height); } -static void -resize_view(struct view *view) -{ - int lines, cols; - - getmaxyx(stdscr, lines, cols); - - if (view->win) { - mvwin(view->win, 0, 0); - wresize(view->win, lines - 2, cols); - - } else { - view->win = newwin(lines - 2, 0, 0, 0); - if (!view->win) { - report("failed to create %s view", view->name); - return; - } - scrollok(view->win, TRUE); - } - - getmaxyx(view->win, view->height, view->width); -} static bool @@ -721,6 +848,11 @@ view_driver(struct view *view, int key) view = switch_view(view, request); break; + case REQ_LINE_NUMBER: + opt_line_number = !opt_line_number; + redraw_view(view); + break; + case REQ_REDRAW: redraw_view(view); break; @@ -779,8 +911,31 @@ pager_draw(struct view *view, unsigned int lineno) attr = get_line_attr(type); wattrset(view->win, attr); - //mvwprintw(view->win, lineno, 0, "%4d: %s", view->offset + lineno, line); - mvwaddstr(view->win, lineno, 0, line); + + if (opt_line_number) { + mvwprintw(view->win, lineno, 0, "%4d: ", view->offset + lineno + 1); + while (line) { + if (*line == '\t') { + waddstr(view->win, " "); + line++; + } else { + char *tab = strchr(line, '\t'); + + if (tab) + waddnstr(view->win, line, tab - line); + else + waddstr(view->win, line); + line = tab; + } + } + waddstr(view->win, line); + + } else { + /* No empty lines makes cursor drawing and clearing implicit. */ + if (!*line) + line = " "; + mvwaddstr(view->win, lineno, 0, line); + } return TRUE; } @@ -799,8 +954,11 @@ pager_read(struct view *view, char *line) static int main_draw(struct view *view, unsigned int lineno) { + char buf[21]; struct commit *commit; enum line_type type; + int cols = 0; + size_t timelen; if (view->offset + lineno >= view->lines) return FALSE; @@ -812,12 +970,32 @@ main_draw(struct view *view, unsigned int lineno) strncpy(commit_id, commit->id, SIZEOF_ID); type = LINE_CURSOR; } else { - type = LINE_COMMIT; + type = LINE_MAIN_COMMIT; + } + + wmove(view->win, lineno, cols); + wattrset(view->win, get_line_attr(LINE_MAIN_DATE)); + + timelen = strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S ", &commit->time); + waddnstr(view->win, buf, timelen); + + cols += 20; + wmove(view->win, lineno, cols); + wattrset(view->win, get_line_attr(LINE_MAIN_AUTHOR)); + + if (strlen(commit->author) > 19) { + waddnstr(view->win, commit->author, 18); + wattrset(view->win, get_line_attr(LINE_MAIN_DELIM)); + waddch(view->win, '~'); + } else { + waddstr(view->win, commit->author); } - mvwaddch(view->win, lineno, 0, ACS_LTEE); + cols += 20; + wattrset(view->win, A_NORMAL); + mvwaddch(view->win, lineno, cols, ACS_LTEE); wattrset(view->win, get_line_attr(type)); - mvwaddstr(view->win, lineno, 2, commit->title); + mvwaddstr(view->win, lineno, cols + 2, commit->title); wattrset(view->win, A_NORMAL); return TRUE; @@ -835,10 +1013,54 @@ main_read(struct view *view, char *line) if (!commit) return FALSE; + line += sizeof("commit ") - 1; + view->line[view->lines++] = commit; - strncpy(commit->id, line + 7, 41); + strncpy(commit->id, line, sizeof(commit->id)); break; + case LINE_AUTHOR_IDENT: + { + char *ident = line + sizeof("author ") - 1; + char *end = strchr(ident, '<'); + + if (end) { + for (; end > ident && isspace(end[-1]); end--) ; + *end = 0; + } + + commit = view->line[view->lines - 1]; + strncpy(commit->author, ident, sizeof(commit->author)); + + if (end) { + char *secs = strchr(end + 1, '>'); + char *zone; + time_t time; + + if (!secs || secs[1] != ' ') + break; + + secs += 2; + time = (time_t) atol(secs); + zone = strchr(secs, ' '); + if (zone && strlen(zone) == sizeof(" +0700") - 1) { + long tz; + + zone++; + tz = ('0' - zone[1]) * 60 * 60 * 10; + tz += ('0' - zone[2]) * 60 * 60; + tz += ('0' - zone[3]) * 60; + tz += ('0' - zone[4]) * 60; + + if (zone[0] == '-') + tz = -tz; + + time -= tz; + } + gmtime_r(&time, &commit->time); + } + break; + } default: commit = view->line[view->lines - 1]; if (!commit->title[0] && @@ -889,6 +1111,11 @@ report(const char *msg, ...) { va_list args; + werase(title_win); + wmove(title_win, 0, 0); + wprintw(title_win, "commit %s", commit_id); + wrefresh(title_win); + va_start(args, msg); werase(status_win); @@ -902,22 +1129,23 @@ report(const char *msg, ...) wrefresh(status_win); va_end(args); - - werase(title_win); - wmove(title_win, 0, 0); - wprintw(title_win, "commit %s", commit_id); - wrefresh(title_win); - } int main(int argc, char *argv[]) { - int request = REQ_MAIN; int x, y; + int request; + int git_cmd; signal(SIGINT, quit); + git_cmd = parse_options(argc, argv); + if (git_cmd < 0) + return 0; + + request = opt_request; + initscr(); /* initialize the curses library */ nonl(); /* tell curses not to do NL->CR/NL on output */ cbreak(); /* take input chars one at a time, no wait for \n */ -- 2.30.2