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index 81b85e724a57dbae6dfd32d97638c1d696209d6d..cd3428cc38c29f783bdbc12800f3dd5ad26d86bf 100644 (file)
--- a/tig.c
+++ b/tig.c
-/* Copyright (c) 2006-2009 Jonas Fonseca <fonseca@diku.dk>
+/* Copyright (c) 2006-2010 Jonas Fonseca <fonseca@diku.dk>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
static void __NORETURN die(const char *err, ...);
static void warn(const char *msg, ...);
static void report(const char *msg, ...);
-static void set_nonblocking_input(bool loading);
-static size_t utf8_length(const char **string, size_t col, int *width, size_t max_width, int *trimmed, bool reserve);
-static inline unsigned char utf8_char_length(const char *string, const char *end);
#define ABS(x) ((x) >= 0 ? (x) : -(x))
#define MIN(x, y) ((x) < (y) ? (x) : (y))
struct ref **refs; /* References for this ID. */
};
+static struct ref *get_ref_head();
static struct ref_list *get_ref_list(const char *id);
static void foreach_ref(bool (*visitor)(void *data, const struct ref *ref), void *data);
static int load_refs(void);
enum format_flags {
FORMAT_ALL, /* Perform replacement in all arguments. */
- FORMAT_DASH, /* Perform replacement up until "--". */
FORMAT_NONE /* No replacement should be performed. */
};
}
+/*
+ * Unicode / UTF-8 handling
+ *
+ * NOTE: Much of the following code for dealing with Unicode is derived from
+ * ELinks' UTF-8 code developed by Scrool <scroolik@gmail.com>. Origin file is
+ * src/intl/charset.c from the UTF-8 branch commit elinks-0.11.0-g31f2c28.
+ */
+
+static inline int
+unicode_width(unsigned long c, int tab_size)
+{
+ if (c >= 0x1100 &&
+ (c <= 0x115f /* Hangul Jamo */
+ || c == 0x2329
+ || c == 0x232a
+ || (c >= 0x2e80 && c <= 0xa4cf && c != 0x303f)
+ /* CJK ... Yi */
+ || (c >= 0xac00 && c <= 0xd7a3) /* Hangul Syllables */
+ || (c >= 0xf900 && c <= 0xfaff) /* CJK Compatibility Ideographs */
+ || (c >= 0xfe30 && c <= 0xfe6f) /* CJK Compatibility Forms */
+ || (c >= 0xff00 && c <= 0xff60) /* Fullwidth Forms */
+ || (c >= 0xffe0 && c <= 0xffe6)
+ || (c >= 0x20000 && c <= 0x2fffd)
+ || (c >= 0x30000 && c <= 0x3fffd)))
+ return 2;
+
+ if (c == '\t')
+ return tab_size;
+
+ return 1;
+}
+
+/* Number of bytes used for encoding a UTF-8 character indexed by first byte.
+ * Illegal bytes are set one. */
+static const unsigned char utf8_bytes[256] = {
+ 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
+ 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
+ 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
+ 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
+ 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
+ 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
+ 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2,
+ 3,3,3,3,3,3,3,3, 3,3,3,3,3,3,3,3, 4,4,4,4,4,4,4,4, 5,5,5,5,6,6,1,1,
+};
+
+static inline unsigned char
+utf8_char_length(const char *string, const char *end)
+{
+ int c = *(unsigned char *) string;
+
+ return utf8_bytes[c];
+}
+
+/* Decode UTF-8 multi-byte representation into a Unicode character. */
+static inline unsigned long
+utf8_to_unicode(const char *string, size_t length)
+{
+ unsigned long unicode;
+
+ switch (length) {
+ case 1:
+ unicode = string[0];
+ break;
+ case 2:
+ unicode = (string[0] & 0x1f) << 6;
+ unicode += (string[1] & 0x3f);
+ break;
+ case 3:
+ unicode = (string[0] & 0x0f) << 12;
+ unicode += ((string[1] & 0x3f) << 6);
+ unicode += (string[2] & 0x3f);
+ break;
+ case 4:
+ unicode = (string[0] & 0x0f) << 18;
+ unicode += ((string[1] & 0x3f) << 12);
+ unicode += ((string[2] & 0x3f) << 6);
+ unicode += (string[3] & 0x3f);
+ break;
+ case 5:
+ unicode = (string[0] & 0x0f) << 24;
+ unicode += ((string[1] & 0x3f) << 18);
+ unicode += ((string[2] & 0x3f) << 12);
+ unicode += ((string[3] & 0x3f) << 6);
+ unicode += (string[4] & 0x3f);
+ break;
+ case 6:
+ unicode = (string[0] & 0x01) << 30;
+ unicode += ((string[1] & 0x3f) << 24);
+ unicode += ((string[2] & 0x3f) << 18);
+ unicode += ((string[3] & 0x3f) << 12);
+ unicode += ((string[4] & 0x3f) << 6);
+ unicode += (string[5] & 0x3f);
+ break;
+ default:
+ return 0;
+ }
+
+ /* Invalid characters could return the special 0xfffd value but NUL
+ * should be just as good. */
+ return unicode > 0xffff ? 0 : unicode;
+}
+
+/* Calculates how much of string can be shown within the given maximum width
+ * and sets trimmed parameter to non-zero value if all of string could not be
+ * shown. If the reserve flag is TRUE, it will reserve at least one
+ * trailing character, which can be useful when drawing a delimiter.
+ *
+ * Returns the number of bytes to output from string to satisfy max_width. */
+static size_t
+utf8_length(const char **start, size_t skip, int *width, size_t max_width, int *trimmed, bool reserve, int tab_size)
+{
+ const char *string = *start;
+ const char *end = strchr(string, '\0');
+ unsigned char last_bytes = 0;
+ size_t last_ucwidth = 0;
+
+ *width = 0;
+ *trimmed = 0;
+
+ while (string < end) {
+ unsigned char bytes = utf8_char_length(string, end);
+ size_t ucwidth;
+ unsigned long unicode;
+
+ if (string + bytes > end)
+ break;
+
+ /* Change representation to figure out whether
+ * it is a single- or double-width character. */
+
+ unicode = utf8_to_unicode(string, bytes);
+ /* FIXME: Graceful handling of invalid Unicode character. */
+ if (!unicode)
+ break;
+
+ ucwidth = unicode_width(unicode, tab_size);
+ if (skip > 0) {
+ skip -= ucwidth <= skip ? ucwidth : skip;
+ *start += bytes;
+ }
+ *width += ucwidth;
+ if (*width > max_width) {
+ *trimmed = 1;
+ *width -= ucwidth;
+ if (reserve && *width == max_width) {
+ string -= last_bytes;
+ *width -= last_ucwidth;
+ }
+ break;
+ }
+
+ string += bytes;
+ last_bytes = ucwidth ? bytes : 0;
+ last_ucwidth = ucwidth;
+ }
+
+ return string - *start;
+}
+
+
#define DATE_INFO \
DATE_(NO), \
DATE_(DEFAULT), \
}
static const char *
-string_date(const struct time *time, enum date date)
+mkdate(const struct time *time, enum date date)
{
static char buf[DATE_COLS + 1];
static const struct enum_map reldate[] = {
};
struct tm tm;
+ if (!date || !time || !time->sec)
+ return "";
+
if (date == DATE_RELATIVE) {
struct timeval now;
time_t date = time->sec + time->tz;
return *argc < SIZEOF_ARG;
}
-static void
+static bool
argv_from_env(const char **argv, const char *name)
{
char *env = argv ? getenv(name) : NULL;
if (env && *env)
env = strdup(env);
- if (env && !argv_from_string(argv, &argc, env))
- die("Too many arguments in the `%s` environment variable", name);
+ return !env || argv_from_string(argv, &argc, env);
}
struct io {
enum io_type type; /* The requested type of pipe. */
const char *dir; /* Directory from which to execute. */
- pid_t pid; /* Pipe for reading or writing. */
+ pid_t pid; /* PID of spawned process. */
int pipe; /* Pipe end for reading or writing. */
int error; /* Error status. */
const char *argv[SIZEOF_ARG]; /* Shell command arguments. */
};
static void
-reset_io(struct io *io)
+io_reset(struct io *io)
{
io->pipe = -1;
io->pid = 0;
}
static void
-init_io(struct io *io, const char *dir, enum io_type type)
+io_init(struct io *io, const char *dir, enum io_type type)
{
- reset_io(io);
+ io_reset(io);
io->type = type;
io->dir = dir;
}
static bool
-init_io_rd(struct io *io, const char *argv[], const char *dir,
- enum format_flags flags)
+io_format(struct io *io, const char *dir, enum io_type type,
+ const char *argv[], enum format_flags flags)
{
- init_io(io, dir, IO_RD);
+ io_init(io, dir, type);
return format_argv(io->argv, argv, flags);
}
bool fits;
va_list args;
- init_io(io, NULL, IO_FD);
+ io_init(io, NULL, IO_FD);
va_start(args, fmt);
fits = vsnprintf(name, sizeof(name), fmt, args) < sizeof(name);
}
static bool
-kill_io(struct io *io)
+io_kill(struct io *io)
{
return io->pid == 0 || kill(io->pid, SIGKILL) != -1;
}
static bool
-done_io(struct io *io)
+io_done(struct io *io)
{
pid_t pid = io->pid;
if (io->pipe != -1)
close(io->pipe);
free(io->buf);
- reset_io(io);
+ io_reset(io);
while (pid > 0) {
int status;
if (waiting < 0) {
if (errno == EINTR)
continue;
- report("waitpid failed (%s)", strerror(errno));
+ io->error = errno;
return FALSE;
}
}
static bool
-start_io(struct io *io)
+io_start(struct io *io)
{
int pipefds[2] = { -1, -1 };
if (io->type == IO_FD)
return TRUE;
- if ((io->type == IO_RD || io->type == IO_WR) &&
- pipe(pipefds) < 0)
+ if ((io->type == IO_RD || io->type == IO_WR) && pipe(pipefds) < 0) {
+ io->error = errno;
return FALSE;
- else if (io->type == IO_AP)
+ } else if (io->type == IO_AP) {
pipefds[1] = io->pipe;
+ }
if ((io->pid = fork())) {
+ if (io->pid == -1)
+ io->error = errno;
if (pipefds[!(io->type == IO_WR)] != -1)
close(pipefds[!(io->type == IO_WR)]);
if (io->pid != -1) {
}
if (io->dir && *io->dir && chdir(io->dir) == -1)
- die("Failed to change directory: %s", strerror(errno));
+ exit(errno);
execvp(io->argv[0], (char *const*) io->argv);
- die("Failed to execute program: %s", strerror(errno));
+ exit(errno);
}
if (pipefds[!!(io->type == IO_WR)] != -1)
}
static bool
-run_io(struct io *io, const char **argv, const char *dir, enum io_type type)
+io_run(struct io *io, const char **argv, const char *dir, enum io_type type)
{
- init_io(io, dir, type);
+ io_init(io, dir, type);
if (!format_argv(io->argv, argv, FORMAT_NONE))
return FALSE;
- return start_io(io);
+ return io_start(io);
}
static int
-run_io_do(struct io *io)
+io_complete(struct io *io)
{
- return start_io(io) && done_io(io);
+ return io_start(io) && io_done(io);
}
static int
-run_io_bg(const char **argv)
+io_run_bg(const char **argv)
{
struct io io = {};
- init_io(&io, NULL, IO_BG);
- if (!format_argv(io.argv, argv, FORMAT_NONE))
+ if (!io_format(&io, NULL, IO_BG, argv, FORMAT_NONE))
return FALSE;
- return run_io_do(&io);
+ return io_complete(&io);
}
static bool
-run_io_fg(const char **argv, const char *dir)
+io_run_fg(const char **argv, const char *dir)
{
struct io io = {};
- init_io(&io, dir, IO_FG);
- if (!format_argv(io.argv, argv, FORMAT_NONE))
+ if (!io_format(&io, dir, IO_FG, argv, FORMAT_NONE))
return FALSE;
- return run_io_do(&io);
+ return io_complete(&io);
}
static bool
-run_io_append(const char **argv, enum format_flags flags, int fd)
+io_run_append(const char **argv, enum format_flags flags, int fd)
{
struct io io = {};
- init_io(&io, NULL, IO_AP);
+ if (!io_format(&io, NULL, IO_AP, argv, flags)) {
+ close(fd);
+ return FALSE;
+ }
+
io.pipe = fd;
- if (format_argv(io.argv, argv, flags))
- return run_io_do(&io);
- close(fd);
- return FALSE;
+ return io_complete(&io);
}
static bool
-run_io_rd(struct io *io, const char **argv, const char *dir, enum format_flags flags)
+io_run_rd(struct io *io, const char **argv, const char *dir, enum format_flags flags)
{
- return init_io_rd(io, argv, dir, flags) && start_io(io);
+ return io_format(io, dir, IO_RD, argv, flags) && io_start(io);
}
static bool
} while (1);
}
-DEFINE_ALLOCATOR(realloc_io_buf, char, BUFSIZ)
+DEFINE_ALLOCATOR(io_realloc_buf, char, BUFSIZ)
static char *
io_get(struct io *io, int c, bool can_read)
memmove(io->buf, io->bufpos, io->bufsize);
if (io->bufalloc == io->bufsize) {
- if (!realloc_io_buf(&io->buf, io->bufalloc, BUFSIZ))
+ if (!io_realloc_buf(&io->buf, io->bufalloc, BUFSIZ))
return NULL;
io->bufalloc += BUFSIZ;
}
string_ncopy_do(buf, bufsize, result, strlen(result));
}
- return done_io(io) && result;
+ return io_done(io) && result;
}
static bool
-run_io_buf(const char **argv, char buf[], size_t bufsize)
+io_run_buf(const char **argv, char buf[], size_t bufsize)
{
struct io io = {};
- return run_io_rd(&io, argv, NULL, FORMAT_NONE)
+ return io_run_rd(&io, argv, NULL, FORMAT_NONE)
&& io_read_buf(&io, buf, bufsize);
}
char *name;
int state = OK;
- if (!start_io(io))
+ if (!io_start(io))
return ERR;
while (state == OK && (name = io_get(io, '\n', TRUE))) {
if (state != ERR && io_error(io))
state = ERR;
- done_io(io);
+ io_done(io);
return state;
}
static int
-run_io_load(const char **argv, const char *separators,
+io_run_load(const char **argv, const char *separators,
int (*read_property)(char *, size_t, char *, size_t))
{
struct io io = {};
- return init_io_rd(&io, argv, NULL, FORMAT_NONE)
+ return io_format(&io, NULL, IO_RD, argv, FORMAT_NONE)
? io_load(&io, separators, read_property) : ERR;
}
static char opt_file[SIZEOF_STR] = "";
static char opt_ref[SIZEOF_REF] = "";
static char opt_head[SIZEOF_REF] = "";
-static char opt_head_rev[SIZEOF_REV] = "";
static char opt_remote[SIZEOF_REF] = "";
static char opt_encoding[20] = "UTF-8";
-static char opt_codeset[20] = "UTF-8";
static iconv_t opt_iconv_in = ICONV_NONE;
static iconv_t opt_iconv_out = ICONV_NONE;
static char opt_search[SIZEOF_STR] = "";
static char opt_editor[SIZEOF_STR] = "";
static FILE *opt_tty = NULL;
-#define is_initial_commit() (!*opt_head_rev)
-#define is_head_commit(rev) (!strcmp((rev), "HEAD") || !strcmp(opt_head_rev, (rev)))
-#define mkdate(time) string_date(time, opt_date)
+#define is_initial_commit() (!get_ref_head())
+#define is_head_commit(rev) (!strcmp((rev), "HEAD") || (get_ref_head() && !strcmp(rev, get_ref_head()->id)))
/*
add_builtin_run_requests(void)
{
const char *cherry_pick[] = { "git", "cherry-pick", "%(commit)", NULL };
+ const char *checkout[] = { "git", "checkout", "%(branch)", NULL };
const char *commit[] = { "git", "commit", NULL };
const char *gc[] = { "git", "gc", NULL };
struct {
} reqs[] = {
{ KEYMAP_MAIN, 'C', ARRAY_SIZE(cherry_pick) - 1, cherry_pick },
{ KEYMAP_STATUS, 'C', ARRAY_SIZE(commit) - 1, commit },
+ { KEYMAP_BRANCH, 'C', ARRAY_SIZE(checkout) - 1, checkout },
{ KEYMAP_GENERIC, 'G', ARRAY_SIZE(gc) - 1, gc },
};
int i;
static char ref_blob[SIZEOF_REF] = "";
static char ref_commit[SIZEOF_REF] = "HEAD";
static char ref_head[SIZEOF_REF] = "HEAD";
+static char ref_branch[SIZEOF_REF] = "";
struct view {
const char *name; /* View name */
(view == display[0] || view == display[1])
-enum line_graphic {
- LINE_GRAPHIC_VLINE
-};
-
-static chtype line_graphics[] = {
- /* LINE_GRAPHIC_VLINE: */ '|'
-};
-
static inline void
set_view_attr(struct view *view, enum line_type type)
{
if (!view->curline->selected && view->curtype != type) {
- wattrset(view->win, get_line_attr(type));
+ (void) wattrset(view->win, get_line_attr(type));
wchgat(view->win, -1, 0, type, NULL);
view->curtype = type;
}
if (max_len <= 0)
return 0;
- len = utf8_length(&string, skip, &col, max_len, &trimmed, use_tilde);
+ len = utf8_length(&string, skip, &col, max_len, &trimmed, use_tilde, opt_tab_size);
set_view_attr(view, type);
if (len > 0) {
@@ -2245,7 +2398,7 @@ draw_field(struct view *view, enum line_type type, const char *text, int len, bo
static bool
draw_date(struct view *view, struct time *time)
{
- const char *date = time ? mkdate(time) : "";
+ const char *date = mkdate(time, opt_date);
int cols = opt_date == DATE_SHORT ? DATE_SHORT_COLS : DATE_COLS;
return draw_field(view, LINE_DATE, date, cols, FALSE);
int digits3 = view->digits < 3 ? 3 : view->digits;
int max = MIN(view->width + view->yoffset - view->col, digits3);
char *text = NULL;
+ chtype separator = opt_line_graphics ? ACS_VLINE : '|';
lineno += view->offset + 1;
if (lineno == 1 || (lineno % opt_num_interval) == 0) {
view->col += draw_chars(view, LINE_LINE_NUMBER, text, max, TRUE);
else
view->col += draw_space(view, LINE_LINE_NUMBER, max, digits3);
- return draw_graphic(view, LINE_DEFAULT, &line_graphics[LINE_GRAPHIC_VLINE], 1);
+ return draw_graphic(view, LINE_DEFAULT, &separator, 1);
}
static bool
FORMAT_VAR("%(head)", ref_head, ""),
FORMAT_VAR("%(commit)", ref_commit, ""),
FORMAT_VAR("%(blob)", ref_blob, ""),
+ FORMAT_VAR("%(branch)", ref_branch, ""),
};
int i;
if (!strncmp(name, vars[i].name, vars[i].namelen))
return *vars[i].value ? vars[i].value : vars[i].value_if_empty;
+ report("Unknown replacement: `%s`", name);
return NULL;
}
+
static bool
format_argv(const char *dst_argv[], const char *src_argv[], enum format_flags flags)
{
@@ -2988,8 +3145,6 @@ format_argv(const char *dst_argv[], const char *src_argv[], enum format_flags fl
const char *value;
if (!next || noreplace) {
- if (flags == FORMAT_DASH && !strcmp(arg, "--"))
- noreplace = TRUE;
len = strlen(arg);
value = "";
@@ -2997,7 +3152,6 @@ format_argv(const char *dst_argv[], const char *src_argv[], enum format_flags fl
value = format_arg(next);
if (!value) {
- report("Unknown replacement: `%s`", next);
return FALSE;
}
}
while (!view->ops->read(view, NULL))
if (!force)
return;
- set_nonblocking_input(FALSE);
if (force)
- kill_io(view->pipe);
- done_io(view->pipe);
+ io_kill(view->pipe);
+ io_done(view->pipe);
view->pipe = NULL;
}
static void
setup_update(struct view *view, const char *vid)
{
- set_nonblocking_input(TRUE);
reset_view(view);
string_copy_rev(view->vid, vid);
view->pipe = &view->io;
}
static bool
-prepare_update(struct view *view, const char *argv[], const char *dir,
- enum format_flags flags)
+prepare_update(struct view *view, const char *argv[], const char *dir)
{
if (view->pipe)
end_update(view, TRUE);
- return init_io_rd(&view->io, argv, dir, flags);
+ return io_format(&view->io, dir, IO_RD, argv, FORMAT_NONE);
}
static bool
if (view->ops->prepare) {
if (!view->ops->prepare(view))
return FALSE;
- } else if (!init_io_rd(&view->io, view->ops->argv, NULL, FORMAT_ALL)) {
+ } else if (!io_format(&view->io, NULL, IO_RD, view->ops->argv, FORMAT_ALL)) {
return FALSE;
}
string_copy_rev(view->ref, view->id);
}
- if (!start_io(&view->io))
+ if (!io_start(&view->io))
return FALSE;
setup_update(view, view->id);
{
def_prog_mode(); /* save current tty modes */
endwin(); /* restore original tty modes */
- run_io_fg(argv, dir);
+ io_run_fg(argv, dir);
fprintf(stderr, "Press Enter to continue");
getc(opt_tty);
reset_prog_mode();
for (i = 0; i < *parents; i++) {
string_copy_rev(rev, &buf[SIZEOF_REV * i]);
- if (!run_io_buf(revlist_argv, text, sizeof(text)) ||
+ if (!io_run_buf(revlist_argv, text, sizeof(text)) ||
!(items[i].text = strdup(text))) {
ok = FALSE;
break;
};
int parents;
- if (!run_io_buf(revlist_argv, buf, sizeof(buf)) ||
+ if (!io_run_buf(revlist_argv, buf, sizeof(buf)) ||
(parents = strlen(buf) / 40) < 0) {
report("Failed to get parent information");
return FALSE;
@@ -3861,7 +4012,7 @@ add_describe_ref(char *buf, size_t *bufpos, const char *commit_id, const char *s
const char *describe_argv[] = { "git", "describe", commit_id, NULL };
char ref[SIZEOF_STR];
- if (!run_io_buf(describe_argv, ref, sizeof(ref)) || !*ref)
+ if (!io_run_buf(describe_argv, ref, sizeof(ref)) || !*ref)
return TRUE;
/* This is the only fatal call, since it can "corrupt" the buffer. */
return TRUE;
}
- if (!run_io_rd(&io, log_file, opt_cdup, FORMAT_NONE)) {
+ if (!io_run_rd(&io, log_file, opt_cdup, FORMAT_NONE)) {
report("Failed to load tree data");
return TRUE;
}
- done_io(view->pipe);
+ io_done(view->pipe);
view->io = io;
*read_date = TRUE;
return FALSE;
}
if (annotated == view->lines)
- kill_io(view->pipe);
+ io_kill(view->pipe);
}
return TRUE;
}
if (opt_author && draw_author(view, entry->author))
return TRUE;
- if (opt_date && draw_date(view, entry->author ? &entry->time : NULL))
+ if (opt_date && draw_date(view, &entry->time))
return TRUE;
}
if (draw_text(view, line->type, entry->name, TRUE))
if (fd == -1)
report("Failed to create temporary file");
- else if (!run_io_append(blob_ops.argv, FORMAT_ALL, fd))
+ else if (!io_run_append(blob_ops.argv, FORMAT_ALL, fd))
report("Failed to save blob data to file");
else
open_editor(file);
const char *text[] = {
entry->name,
opt_author ? entry->author : "",
- opt_date ? mkdate(&entry->time) : "",
+ mkdate(&entry->time, opt_date),
NULL
};
opt_path[0] = 0;
}
- return init_io_rd(&view->io, view->ops->argv, opt_cdup, FORMAT_ALL);
+ return io_format(&view->io, opt_cdup, IO_RD, view->ops->argv, FORMAT_ALL);
}
static const char *tree_argv[SIZEOF_ARG] = {
}
if (*opt_ref || !io_open(&view->io, "%s%s", opt_cdup, opt_file)) {
- if (!run_io_rd(&view->io, blame_cat_file_argv, opt_cdup, FORMAT_ALL))
+ if (!io_run_rd(&view->io, blame_cat_file_argv, opt_cdup, FORMAT_ALL))
return FALSE;
}
if (view->lines == 0 && !view->parent)
die("No blame exist for %s", view->vid);
- if (view->lines == 0 || !run_io_rd(&io, argv, opt_cdup, FORMAT_ALL)) {
+ if (view->lines == 0 || !io_run_rd(&io, argv, opt_cdup, FORMAT_ALL)) {
report("Failed to load blame data");
return TRUE;
}
- done_io(view->pipe);
+ io_done(view->pipe);
view->io = io;
*read_file = FALSE;
return FALSE;
int blamed_lineno = -1;
char *line;
- if (!run_io(&io, diff_tree_argv, NULL, IO_RD))
+ if (!io_run(&io, diff_tree_argv, NULL, IO_RD))
return;
while ((line = io_get(&io, '\n', TRUE))) {
}
}
- done_io(&io);
+ io_done(&io);
}
static enum request
diff_index_argv[7] = "/dev/null";
}
- if (!prepare_update(diff, diff_index_argv, NULL, FORMAT_DASH)) {
+ if (!prepare_update(diff, diff_index_argv, NULL)) {
report("Failed to allocate diff command");
break;
}
commit ? commit->title : "",
commit ? commit->id : "",
commit && opt_author ? commit->author : "",
- commit && opt_date ? mkdate(&commit->time) : "",
+ commit ? mkdate(&commit->time, opt_date) : "",
NULL
};
struct branch *branch = line->data;
enum line_type type = branch->ref->head ? LINE_MAIN_HEAD : LINE_DEFAULT;
- if (opt_date && draw_date(view, branch->author ? &branch->time : NULL))
+ if (opt_date && draw_date(view, &branch->time))
return TRUE;
if (opt_author && draw_author(view, branch->author))
};
struct view *main_view = VIEW(REQ_VIEW_MAIN);
- if (!prepare_update(main_view, all_branches_argv, NULL, FORMAT_NONE)) {
+ if (!prepare_update(main_view, all_branches_argv, NULL)) {
report("Failed to load view of all branches");
return REQ_NONE;
}
"--simplify-by-decoration", "--all", NULL
};
- if (!run_io_rd(&view->io, branch_log, NULL, FORMAT_NONE)) {
+ if (!io_run_rd(&view->io, branch_log, NULL, FORMAT_NONE)) {
report("Failed to load branch data");
return TRUE;
}
string_copy_rev(view->ref, branch->ref->id);
string_copy_rev(ref_commit, branch->ref->id);
string_copy_rev(ref_head, branch->ref->id);
+ string_copy_rev(ref_branch, branch->ref->name);
}
static struct view_ops branch_ops = {
@@ -5375,7 +5527,7 @@ status_run(struct view *view, const char *argv[], char status, enum line_type ty
char *buf;
struct io io = {};
- if (!run_io(&io, argv, opt_cdup, IO_RD))
+ if (!io_run(&io, argv, opt_cdup, IO_RD))
return FALSE;
add_line_data(view, NULL, type);
@@ -5434,14 +5586,14 @@ status_run(struct view *view, const char *argv[], char status, enum line_type ty
if (io_error(&io)) {
error_out:
- done_io(&io);
+ io_done(&io);
return FALSE;
}
if (!view->line[view->lines - 1].data)
add_line_data(view, NULL, LINE_STAT_NONE);
- done_io(&io);
+ io_done(&io);
return TRUE;
}
add_line_data(view, NULL, LINE_STAT_HEAD);
status_update_onbranch();
- run_io_bg(update_index_argv);
+ io_run_bg(update_index_argv);
if (is_initial_commit()) {
if (!status_run(view, status_list_no_head_argv, 'A', LINE_STAT_STAGED))
"--", "/dev/null", newpath, NULL
};
- if (!prepare_update(stage, no_head_diff_argv, opt_cdup, FORMAT_DASH))
+ if (!prepare_update(stage, no_head_diff_argv, opt_cdup))
return status_load_error(view, stage, newpath);
} else {
const char *index_show_argv[] = {
oldpath, newpath, NULL
};
- if (!prepare_update(stage, index_show_argv, opt_cdup, FORMAT_DASH))
+ if (!prepare_update(stage, index_show_argv, opt_cdup))
return status_load_error(view, stage, newpath);
}
"-C", "-M", "--", oldpath, newpath, NULL
};
- if (!prepare_update(stage, files_show_argv, opt_cdup, FORMAT_DASH))
+ if (!prepare_update(stage, files_show_argv, opt_cdup))
return status_load_error(view, stage, newpath);
if (status)
info = "Unstaged changes to %s";
switch (type) {
case LINE_STAT_STAGED:
- return run_io(io, staged_argv, opt_cdup, IO_WR);
+ return io_run(io, staged_argv, opt_cdup, IO_WR);
case LINE_STAT_UNSTAGED:
case LINE_STAT_UNTRACKED:
- return run_io(io, others_argv, opt_cdup, IO_WR);
+ return io_run(io, others_argv, opt_cdup, IO_WR);
default:
die("line type %d not handled in switch", type);
return FALSE;
result = status_update_write(&io, status, type);
- return done_io(&io) && result;
+ return io_done(&io) && result;
}
static bool
}
string_copy(view->ref, buf);
- return done_io(&io) && result;
+ return io_done(&io) && result;
}
static bool
reset_argv[4] = NULL;
}
- if (!run_io_fg(reset_argv, opt_cdup))
+ if (!io_run_fg(reset_argv, opt_cdup))
return FALSE;
if (status->old.mode == 0 && status->new.mode == 0)
return TRUE;
}
- return run_io_fg(checkout_argv, opt_cdup);
+ return io_run_fg(checkout_argv, opt_cdup);
}
return FALSE;
apply_argv[argc++] = "-R";
apply_argv[argc++] = "-";
apply_argv[argc++] = NULL;
- if (!run_io(&io, apply_argv, opt_cdup, IO_WR))
+ if (!io_run(&io, apply_argv, opt_cdup, IO_WR))
return FALSE;
if (!stage_diff_write(&io, diff_hdr, chunk) ||
!stage_diff_write(&io, chunk, view->line + view->lines))
chunk = NULL;
- done_io(&io);
- run_io_bg(update_index_argv);
+ io_done(&io);
+ io_run_bg(update_index_argv);
return chunk ? TRUE : FALSE;
}
struct rev_filler *filler;
size_t i;
- if (opt_line_graphics)
- fillers[DEFAULT].line = line_graphics[LINE_GRAPHIC_VLINE];
-
+ fillers[DEFAULT].line = opt_line_graphics ? ACS_VLINE : '|';
filler = &fillers[DEFAULT];
for (i = 0; i < graph->pos; i++) {
const char *text[] = {
commit->title,
opt_author ? commit->author : "",
- opt_date ? mkdate(&commit->time) : "",
+ mkdate(&commit->time, opt_date),
NULL
};
};
-/*
- * Unicode / UTF-8 handling
- *
- * NOTE: Much of the following code for dealing with Unicode is derived from
- * ELinks' UTF-8 code developed by Scrool <scroolik@gmail.com>. Origin file is
- * src/intl/charset.c from the UTF-8 branch commit elinks-0.11.0-g31f2c28.
- */
-
-static inline int
-unicode_width(unsigned long c)
-{
- if (c >= 0x1100 &&
- (c <= 0x115f /* Hangul Jamo */
- || c == 0x2329
- || c == 0x232a
- || (c >= 0x2e80 && c <= 0xa4cf && c != 0x303f)
- /* CJK ... Yi */
- || (c >= 0xac00 && c <= 0xd7a3) /* Hangul Syllables */
- || (c >= 0xf900 && c <= 0xfaff) /* CJK Compatibility Ideographs */
- || (c >= 0xfe30 && c <= 0xfe6f) /* CJK Compatibility Forms */
- || (c >= 0xff00 && c <= 0xff60) /* Fullwidth Forms */
- || (c >= 0xffe0 && c <= 0xffe6)
- || (c >= 0x20000 && c <= 0x2fffd)
- || (c >= 0x30000 && c <= 0x3fffd)))
- return 2;
-
- if (c == '\t')
- return opt_tab_size;
-
- return 1;
-}
-
-/* Number of bytes used for encoding a UTF-8 character indexed by first byte.
- * Illegal bytes are set one. */
-static const unsigned char utf8_bytes[256] = {
- 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
- 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
- 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
- 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
- 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
- 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
- 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2,
- 3,3,3,3,3,3,3,3, 3,3,3,3,3,3,3,3, 4,4,4,4,4,4,4,4, 5,5,5,5,6,6,1,1,
-};
-
-static inline unsigned char
-utf8_char_length(const char *string, const char *end)
-{
- int c = *(unsigned char *) string;
-
- return utf8_bytes[c];
-}
-
-/* Decode UTF-8 multi-byte representation into a Unicode character. */
-static inline unsigned long
-utf8_to_unicode(const char *string, size_t length)
-{
- unsigned long unicode;
-
- switch (length) {
- case 1:
- unicode = string[0];
- break;
- case 2:
- unicode = (string[0] & 0x1f) << 6;
- unicode += (string[1] & 0x3f);
- break;
- case 3:
- unicode = (string[0] & 0x0f) << 12;
- unicode += ((string[1] & 0x3f) << 6);
- unicode += (string[2] & 0x3f);
- break;
- case 4:
- unicode = (string[0] & 0x0f) << 18;
- unicode += ((string[1] & 0x3f) << 12);
- unicode += ((string[2] & 0x3f) << 6);
- unicode += (string[3] & 0x3f);
- break;
- case 5:
- unicode = (string[0] & 0x0f) << 24;
- unicode += ((string[1] & 0x3f) << 18);
- unicode += ((string[2] & 0x3f) << 12);
- unicode += ((string[3] & 0x3f) << 6);
- unicode += (string[4] & 0x3f);
- break;
- case 6:
- unicode = (string[0] & 0x01) << 30;
- unicode += ((string[1] & 0x3f) << 24);
- unicode += ((string[2] & 0x3f) << 18);
- unicode += ((string[3] & 0x3f) << 12);
- unicode += ((string[4] & 0x3f) << 6);
- unicode += (string[5] & 0x3f);
- break;
- default:
- die("Invalid Unicode length");
- }
-
- /* Invalid characters could return the special 0xfffd value but NUL
- * should be just as good. */
- return unicode > 0xffff ? 0 : unicode;
-}
-
-/* Calculates how much of string can be shown within the given maximum width
- * and sets trimmed parameter to non-zero value if all of string could not be
- * shown. If the reserve flag is TRUE, it will reserve at least one
- * trailing character, which can be useful when drawing a delimiter.
- *
- * Returns the number of bytes to output from string to satisfy max_width. */
-static size_t
-utf8_length(const char **start, size_t skip, int *width, size_t max_width, int *trimmed, bool reserve)
-{
- const char *string = *start;
- const char *end = strchr(string, '\0');
- unsigned char last_bytes = 0;
- size_t last_ucwidth = 0;
-
- *width = 0;
- *trimmed = 0;
-
- while (string < end) {
- unsigned char bytes = utf8_char_length(string, end);
- size_t ucwidth;
- unsigned long unicode;
-
- if (string + bytes > end)
- break;
-
- /* Change representation to figure out whether
- * it is a single- or double-width character. */
-
- unicode = utf8_to_unicode(string, bytes);
- /* FIXME: Graceful handling of invalid Unicode character. */
- if (!unicode)
- break;
-
- ucwidth = unicode_width(unicode);
- if (skip > 0) {
- skip -= ucwidth <= skip ? ucwidth : skip;
- *start += bytes;
- }
- *width += ucwidth;
- if (*width > max_width) {
- *trimmed = 1;
- *width -= ucwidth;
- if (reserve && *width == max_width) {
- string -= last_bytes;
- *width -= last_ucwidth;
- }
- break;
- }
-
- string += bytes;
- last_bytes = ucwidth ? bytes : 0;
- last_ucwidth = ucwidth;
- }
-
- return string - *start;
-}
-
-
/*
* Status management
*/
update_view_title(view);
}
-/* Controls when nodelay should be in effect when polling user input. */
-static void
-set_nonblocking_input(bool loading)
-{
- static unsigned int loading_views;
-
- if ((loading == FALSE && loading_views-- == 1) ||
- (loading == TRUE && loading_views++ == 0))
- nodelay(status_win, loading);
-}
-
static void
init_display(void)
{
wbkgdset(status_win, get_line_attr(LINE_STATUS));
TABSIZE = opt_tab_size;
- if (opt_line_graphics) {
- line_graphics[LINE_GRAPHIC_VLINE] = ACS_VLINE;
- }
term = getenv("XTERM_VERSION") ? NULL : getenv("COLORTERM");
if (term && !strcmp(term, "gnome-terminal")) {
{
struct view *view;
int i, key, cursor_y, cursor_x;
+ bool loading = FALSE;
if (prompt_position)
input_mode = TRUE;
use_scroll_redrawwin)
redrawwin(view->win);
view->has_scrolled = FALSE;
+ if (view->pipe)
+ loading = TRUE;
}
/* Update the cursor position. */
/* Refresh, accept single keystroke of input */
doupdate();
+ nodelay(status_win, loading);
key = wgetch(status_win);
/* wgetch() with nodelay() enabled returns ERR when
@@ -7272,6 +7252,7 @@ static bool prompt_menu(const char *prompt, const struct menu_item *items, int *
static struct ref **refs = NULL;
static size_t refs_size = 0;
+static struct ref *refs_head = NULL;
static struct ref_list **ref_lists = NULL;
static size_t ref_lists_size = 0;
break;
}
+static struct ref *
+get_ref_head()
+{
+ return refs_head;
+}
+
static struct ref_list *
get_ref_list(const char *id)
{
} else if (!prefixcmp(name, "refs/heads/")) {
namelen -= STRING_SIZE("refs/heads/");
name += STRING_SIZE("refs/heads/");
- head = !strncmp(opt_head, name, namelen);
+ if (!strncmp(opt_head, name, namelen))
+ return OK;
} else if (!strcmp(name, "HEAD")) {
- string_ncopy(opt_head_rev, id, idlen);
- return OK;
+ head = TRUE;
+ if (*opt_head) {
+ namelen = strlen(opt_head);
+ name = opt_head;
+ }
}
/* If we are reloading or it's an annotated tag, replace the
ref->tracked = tracked;
string_copy_rev(ref->id, id);
+ if (head)
+ refs_head = ref;
return OK;
}
size_t i;
if (!init) {
- argv_from_env(ls_remote_argv, "TIG_LS_REMOTE");
+ if (!argv_from_env(ls_remote_argv, "TIG_LS_REMOTE"))
+ die("TIG_LS_REMOTE contains too many arguments");
init = TRUE;
}
if (!*opt_git_dir)
return OK;
- if (run_io_buf(head_argv, opt_head, sizeof(opt_head)) &&
+ if (io_run_buf(head_argv, opt_head, sizeof(opt_head)) &&
!prefixcmp(opt_head, "refs/heads/")) {
char *offset = opt_head + STRING_SIZE("refs/heads/");
memmove(opt_head, offset, strlen(offset) + 1);
}
+ refs_head = NULL;
for (i = 0; i < refs_size; i++)
refs[i]->id[0] = 0;
- if (run_io_load(ls_remote_argv, "\t", read_ref) == ERR)
+ if (io_run_load(ls_remote_argv, "\t", read_ref) == ERR)
return ERR;
/* Update the ref lists to reflect changes. */
{
const char *config_list_argv[] = { "git", "config", "--list", NULL };
- return run_io_load(config_list_argv, "=", read_repo_config_option);
+ return io_run_load(config_list_argv, "=", read_repo_config_option);
}
static int
"--show-cdup", "--show-prefix", NULL
};
- return run_io_load(rev_parse_argv, "=", read_repo_info);
+ return io_run_load(rev_parse_argv, "=", read_repo_info);
}
die("command too long");
}
- if (!prepare_update(VIEW(request), custom_argv, NULL, FORMAT_NONE))
+ if (!prepare_update(VIEW(request), custom_argv, NULL))
die("Failed to format arguments");
return request;
int
main(int argc, const char *argv[])
{
+ const char *codeset = "UTF-8";
enum request request = parse_options(argc, argv);
struct view *view;
size_t i;
signal(SIGPIPE, SIG_IGN);
if (setlocale(LC_ALL, "")) {
- char *codeset = nl_langinfo(CODESET);
-
- string_ncopy(opt_codeset, codeset, strlen(codeset));
+ codeset = nl_langinfo(CODESET);
}
if (load_repo_info() == ERR)
if (!opt_git_dir[0] && request != REQ_VIEW_PAGER)
die("Not a git repository");
- if (*opt_encoding && strcmp(opt_codeset, "UTF-8")) {
+ if (*opt_encoding && strcmp(codeset, "UTF-8")) {
opt_iconv_in = iconv_open("UTF-8", opt_encoding);
if (opt_iconv_in == ICONV_NONE)
die("Failed to initialize character set conversion");
}
- if (*opt_codeset && strcmp(opt_codeset, "UTF-8")) {
- opt_iconv_out = iconv_open(opt_codeset, "UTF-8");
+ if (codeset && strcmp(codeset, "UTF-8")) {
+ opt_iconv_out = iconv_open(codeset, "UTF-8");
if (opt_iconv_out == ICONV_NONE)
die("Failed to initialize character set conversion");
}
die("Failed to load refs.");
foreach_view (view, i)
- argv_from_env(view->ops->argv, view->cmd_env);
+ if (!argv_from_env(view->ops->argv, view->cmd_env))
+ die("Too many arguments in the `%s` environment variable",
+ view->cmd_env);
init_display();
if (!argv_from_string(argv, &argc, cmd)) {
report("Too many arguments");
- } else if (!prepare_update(next, argv, NULL, FORMAT_DASH)) {
+ } else if (!prepare_update(next, argv, NULL)) {
report("Failed to format command");
} else {
open_view(view, REQ_VIEW_PAGER, OPEN_PREPARED);