#include "quote.h"
#include "ref-filter.h"
#include "revision.h"
+#include "utf8.h"
+#include "git-compat-util.h"
+#include "version.h"
typedef enum { FIELD_STR, FIELD_ULONG, FIELD_TIME } cmp_type;
{ "subject" },
{ "body" },
{ "contents" },
- { "contents:subject" },
- { "contents:body" },
- { "contents:signature" },
{ "upstream" },
{ "push" },
{ "symref" },
{ "flag" },
{ "HEAD" },
{ "color" },
+ { "align" },
+ { "end" },
};
#define REF_FORMATTING_STATE_INIT { 0, NULL }
+struct align {
+ align_type position;
+ unsigned int width;
+};
+
+struct contents {
+ unsigned int lines;
+ struct object_id oid;
+};
+
struct ref_formatting_stack {
struct ref_formatting_stack *prev;
struct strbuf output;
+ void (*at_end)(struct ref_formatting_stack *stack);
+ void *at_end_data;
};
struct ref_formatting_state {
struct atom_value {
const char *s;
+ union {
+ struct align align;
+ struct contents contents;
+ } u;
void (*handler)(struct atom_value *atomv, struct ref_formatting_state *state);
unsigned long ul; /* used for sorting when not FIELD_STR */
};
static void append_atom(struct atom_value *v, struct ref_formatting_state *state)
{
- quote_formatting(&state->stack->output, v->s, state->quote_style);
+ /*
+ * Quote formatting is only done when the stack has a single
+ * element. Otherwise quote formatting is done on the
+ * element's entire output strbuf when the %(end) atom is
+ * encountered.
+ */
+ if (!state->stack->prev)
+ quote_formatting(&state->stack->output, v->s, state->quote_style);
+ else
+ strbuf_addstr(&state->stack->output, v->s);
}
static void push_stack_element(struct ref_formatting_stack **stack)
*stack = prev;
}
+static void end_align_handler(struct ref_formatting_stack *stack)
+{
+ struct align *align = (struct align *)stack->at_end_data;
+ struct strbuf s = STRBUF_INIT;
+
+ strbuf_utf8_align(&s, align->position, align->width, stack->output.buf);
+ strbuf_swap(&stack->output, &s);
+ strbuf_release(&s);
+}
+
+static void align_atom_handler(struct atom_value *atomv, struct ref_formatting_state *state)
+{
+ struct ref_formatting_stack *new;
+
+ push_stack_element(&state->stack);
+ new = state->stack;
+ new->at_end = end_align_handler;
+ new->at_end_data = &atomv->u.align;
+}
+
+static void end_atom_handler(struct atom_value *atomv, struct ref_formatting_state *state)
+{
+ struct ref_formatting_stack *current = state->stack;
+ struct strbuf s = STRBUF_INIT;
+
+ if (!current->at_end)
+ die(_("format: %%(end) atom used without corresponding atom"));
+ current->at_end(current);
+
+ /*
+ * Perform quote formatting when the stack element is that of
+ * a supporting atom. If nested then perform quote formatting
+ * only on the topmost supporting atom.
+ */
+ if (!state->stack->prev->prev) {
+ quote_formatting(&s, current->output.buf, state->quote_style);
+ strbuf_swap(¤t->output, &s);
+ }
+ strbuf_release(&s);
+ pop_stack_element(&state->stack);
+}
+
static int match_atom_name(const char *name, const char *atom_name, const char **val)
{
const char *body;
*nonsiglen = *sig - buf;
}
+/*
+ * If 'lines' is greater than 0, append that many lines from the given
+ * 'buf' of length 'size' to the given strbuf.
+ */
+static void append_lines(struct strbuf *out, const char *buf, unsigned long size, int lines)
+{
+ int i;
+ const char *sp, *eol;
+ size_t len;
+
+ sp = buf;
+
+ for (i = 0; i < lines && sp < buf + size; i++) {
+ if (i)
+ strbuf_addstr(out, "\n ");
+ eol = memchr(sp, '\n', size - (sp - buf));
+ len = eol ? eol - sp : size - (sp - buf);
+ strbuf_add(out, sp, len);
+ if (!eol)
+ break;
+ sp = eol + 1;
+ }
+}
+
/* See grab_values */
static void grab_sub_body_contents(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
{
for (i = 0; i < used_atom_cnt; i++) {
const char *name = used_atom[i];
struct atom_value *v = &val[i];
+ const char *valp = NULL;
if (!!deref != (*name == '*'))
continue;
if (deref)
strcmp(name, "contents") &&
strcmp(name, "contents:subject") &&
strcmp(name, "contents:body") &&
- strcmp(name, "contents:signature"))
+ strcmp(name, "contents:signature") &&
+ !starts_with(name, "contents:lines="))
continue;
if (!subpos)
find_subpos(buf, sz,
v->s = xmemdupz(sigpos, siglen);
else if (!strcmp(name, "contents"))
v->s = xstrdup(subpos);
+ else if (skip_prefix(name, "contents:lines=", &valp)) {
+ struct strbuf s = STRBUF_INIT;
+ const char *contents_end = bodylen + bodypos - siglen;
+
+ if (strtoul_ui(valp, 10, &v->u.contents.lines))
+ die(_("positive value expected contents:lines=%s"), valp);
+ /* Size is the length of the message after removing the signature */
+ append_lines(&s, subpos, contents_end - subpos, v->u.contents.lines);
+ v->s = strbuf_detach(&s, NULL);
+ }
}
}
else
v->s = " ";
continue;
+ } else if (match_atom_name(name, "align", &valp)) {
+ struct align *align = &v->u.align;
+ struct strbuf **s, **to_free;
+ int width = -1;
+
+ if (!valp)
+ die(_("expected format: %%(align:<width>,<position>)"));
+
+ /*
+ * TODO: Implement a function similar to strbuf_split_str()
+ * which would omit the separator from the end of each value.
+ */
+ s = to_free = strbuf_split_str(valp, ',', 0);
+
+ align->position = ALIGN_LEFT;
+
+ while (*s) {
+ /* Strip trailing comma */
+ if (s[1])
+ strbuf_setlen(s[0], s[0]->len - 1);
+ if (!strtoul_ui(s[0]->buf, 10, (unsigned int *)&width))
+ ;
+ else if (!strcmp(s[0]->buf, "left"))
+ align->position = ALIGN_LEFT;
+ else if (!strcmp(s[0]->buf, "right"))
+ align->position = ALIGN_RIGHT;
+ else if (!strcmp(s[0]->buf, "middle"))
+ align->position = ALIGN_MIDDLE;
+ else
+ die(_("improper format entered align:%s"), s[0]->buf);
+ s++;
+ }
+
+ if (width < 0)
+ die(_("positive width expected with the %%(align) atom"));
+ align->width = width;
+ strbuf_list_free(to_free);
+ v->handler = align_atom_handler;
+ continue;
+ } else if (!strcmp(name, "end")) {
+ v->handler = end_atom_handler;
+ continue;
} else
continue;
return is_descendant_of(commit, filter->with_commit);
}
+/*
+ * Return 1 if the refname matches one of the patterns, otherwise 0.
+ * A pattern can be a literal prefix (e.g. a refname "refs/heads/master"
+ * matches a pattern "refs/heads/mas") or a wildcard (e.g. the same ref
+ * matches "refs/heads/mas*", too).
+ */
+static int match_pattern(const char **patterns, const char *refname)
+{
+ /*
+ * When no '--format' option is given we need to skip the prefix
+ * for matching refs of tags and branches.
+ */
+ (void)(skip_prefix(refname, "refs/tags/", &refname) ||
+ skip_prefix(refname, "refs/heads/", &refname) ||
+ skip_prefix(refname, "refs/remotes/", &refname) ||
+ skip_prefix(refname, "refs/", &refname));
+
+ for (; *patterns; patterns++) {
+ if (!wildmatch(*patterns, refname, 0, NULL))
+ return 1;
+ }
+ return 0;
+}
+
/*
* Return 1 if the refname matches one of the patterns, otherwise 0.
* A pattern can be path prefix (e.g. a refname "refs/heads/master"
- * matches a pattern "refs/heads/") or a wildcard (e.g. the same ref
- * matches "refs/heads/m*",too).
+ * matches a pattern "refs/heads/" but not "refs/heads/m") or a
+ * wildcard (e.g. the same ref matches "refs/heads/m*", too).
*/
static int match_name_as_path(const char **pattern, const char *refname)
{
return 0;
}
+/* Return 1 if the refname matches one of the patterns, otherwise 0. */
+static int filter_pattern_match(struct ref_filter *filter, const char *refname)
+{
+ if (!*filter->name_patterns)
+ return 1; /* No pattern always matches */
+ if (filter->match_as_path)
+ return match_name_as_path(filter->name_patterns, refname);
+ return match_pattern(filter->name_patterns, refname);
+}
+
/*
* Given a ref (sha1, refname), check if the ref belongs to the array
* of sha1s. If the given ref is a tag, check if the given tag points
return ref;
}
+static int filter_ref_kind(struct ref_filter *filter, const char *refname)
+{
+ unsigned int i;
+
+ static struct {
+ const char *prefix;
+ unsigned int kind;
+ } ref_kind[] = {
+ { "refs/heads/" , FILTER_REFS_BRANCHES },
+ { "refs/remotes/" , FILTER_REFS_REMOTES },
+ { "refs/tags/", FILTER_REFS_TAGS}
+ };
+
+ if (filter->kind == FILTER_REFS_BRANCHES ||
+ filter->kind == FILTER_REFS_REMOTES ||
+ filter->kind == FILTER_REFS_TAGS)
+ return filter->kind;
+ else if (!strcmp(refname, "HEAD"))
+ return FILTER_REFS_DETACHED_HEAD;
+
+ for (i = 0; i < ARRAY_SIZE(ref_kind); i++) {
+ if (starts_with(refname, ref_kind[i].prefix))
+ return ref_kind[i].kind;
+ }
+
+ return FILTER_REFS_OTHERS;
+}
+
/*
* A call-back given to for_each_ref(). Filter refs and keep them for
* later object processing.
struct ref_filter *filter = ref_cbdata->filter;
struct ref_array_item *ref;
struct commit *commit = NULL;
+ unsigned int kind;
if (flag & REF_BAD_NAME) {
warning("ignoring ref with broken name %s", refname);
return 0;
}
- if (*filter->name_patterns && !match_name_as_path(filter->name_patterns, refname))
+ /* Obtain the current ref kind from filter_ref_kind() and ignore unwanted refs. */
+ kind = filter_ref_kind(filter, refname);
+ if (!(kind & filter->kind))
+ return 0;
+
+ if (!filter_pattern_match(filter, refname))
return 0;
if (filter->points_at.nr && !match_points_at(&filter->points_at, oid->hash, refname))
* obtain the commit using the 'oid' available and discard all
* non-commits early. The actual filtering is done later.
*/
- if (filter->merge_commit || filter->with_commit) {
+ if (filter->merge_commit || filter->with_commit || filter->verbose) {
commit = lookup_commit_reference_gently(oid->hash, 1);
if (!commit)
return 0;
REALLOC_ARRAY(ref_cbdata->array->items, ref_cbdata->array->nr + 1);
ref_cbdata->array->items[ref_cbdata->array->nr++] = ref;
+ ref->kind = kind;
return 0;
}
{
struct ref_filter_cbdata ref_cbdata;
int ret = 0;
+ unsigned int broken = 0;
ref_cbdata.array = array;
ref_cbdata.filter = filter;
+ if (type & FILTER_REFS_INCLUDE_BROKEN)
+ broken = 1;
+ filter->kind = type & FILTER_REFS_KIND_MASK;
+
/* Simple per-ref filtering */
- if (type & (FILTER_REFS_ALL | FILTER_REFS_INCLUDE_BROKEN))
- ret = for_each_rawref(ref_filter_handler, &ref_cbdata);
- else if (type & FILTER_REFS_ALL)
- ret = for_each_ref(ref_filter_handler, &ref_cbdata);
- else if (type)
+ if (!filter->kind)
die("filter_refs: invalid type");
+ else {
+ /*
+ * For common cases where we need only branches or remotes or tags,
+ * we only iterate through those refs. If a mix of refs is needed,
+ * we iterate over all refs and filter out required refs with the help
+ * of filter_ref_kind().
+ */
+ if (filter->kind == FILTER_REFS_BRANCHES)
+ ret = for_each_fullref_in("refs/heads/", ref_filter_handler, &ref_cbdata, broken);
+ else if (filter->kind == FILTER_REFS_REMOTES)
+ ret = for_each_fullref_in("refs/remotes/", ref_filter_handler, &ref_cbdata, broken);
+ else if (filter->kind == FILTER_REFS_TAGS)
+ ret = for_each_fullref_in("refs/tags/", ref_filter_handler, &ref_cbdata, broken);
+ else if (filter->kind & FILTER_REFS_ALL)
+ ret = for_each_fullref_in("", ref_filter_handler, &ref_cbdata, broken);
+ if (!ret && (filter->kind & FILTER_REFS_DETACHED_HEAD))
+ head_ref(ref_filter_handler, &ref_cbdata);
+ }
+
/* Filters that need revision walking */
if (filter->merge_commit)
get_ref_atom_value(a, s->atom, &va);
get_ref_atom_value(b, s->atom, &vb);
- switch (cmp_type) {
- case FIELD_STR:
+ if (s->version)
+ cmp = versioncmp(va->s, vb->s);
+ else if (cmp_type == FIELD_STR)
cmp = strcmp(va->s, vb->s);
- break;
- default:
+ else {
if (va->ul < vb->ul)
cmp = -1;
else if (va->ul == vb->ul)
cmp = 0;
else
cmp = 1;
- break;
}
+
return (s->reverse) ? -cmp : cmp;
}
resetv.s = color;
append_atom(&resetv, &state);
}
+ if (state.stack->prev)
+ die(_("format: %%(end) atom missing"));
final_buf = &state.stack->output;
fwrite(final_buf->buf, 1, final_buf->len, stdout);
pop_stack_element(&state.stack);
s->reverse = 1;
arg++;
}
+ if (skip_prefix(arg, "version:", &arg) ||
+ skip_prefix(arg, "v:", &arg))
+ s->version = 1;
len = strlen(arg);
s->atom = parse_ref_filter_atom(arg, arg+len);
return 0;