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builtin/apply: move 'ws_error_action' into 'struct apply_state'

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To libify the apply functionality the 'ws_error_action' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Christian Couder 2016-05-24 10:11:17 +02:00 committed by Junio C Hamano
parent 7243f5f350
commit e9c6b279b8
1 changed files with 33 additions and 28 deletions
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61
builtin/apply.c
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@ -21,6 +21,13 @@
#include "ll-merge.h" #include "ll-merge.h"
#include "rerere.h" #include "rerere.h"
enum ws_error_action {
nowarn_ws_error,
warn_on_ws_error,
die_on_ws_error,
correct_ws_error
};
struct apply_state { struct apply_state {
const char *prefix; const char *prefix;
int prefix_length; int prefix_length;
@ -61,6 +68,7 @@ struct apply_state {
int has_include; int has_include;
/* These control whitespace errors */ /* These control whitespace errors */
enum ws_error_action ws_error_action;
const char *whitespace_option; const char *whitespace_option;
int whitespace_error; int whitespace_error;
int squelch_whitespace_errors; int squelch_whitespace_errors;
@ -74,12 +82,6 @@ static const char * const apply_usage[] = {
NULL NULL
}; };
static enum ws_error_action {
nowarn_ws_error,
warn_on_ws_error,
die_on_ws_error,
correct_ws_error
} ws_error_action = warn_on_ws_error;
static enum ws_ignore { static enum ws_ignore {
ignore_ws_none, ignore_ws_none,
@ -90,28 +92,28 @@ static enum ws_ignore {
static void parse_whitespace_option(struct apply_state *state, const char *option) static void parse_whitespace_option(struct apply_state *state, const char *option)
{ {
if (!option) { if (!option) {
ws_error_action = warn_on_ws_error; state->ws_error_action = warn_on_ws_error;
return; return;
} }
if (!strcmp(option, "warn")) { if (!strcmp(option, "warn")) {
ws_error_action = warn_on_ws_error; state->ws_error_action = warn_on_ws_error;
return; return;
} }
if (!strcmp(option, "nowarn")) { if (!strcmp(option, "nowarn")) {
ws_error_action = nowarn_ws_error; state->ws_error_action = nowarn_ws_error;
return; return;
} }
if (!strcmp(option, "error")) { if (!strcmp(option, "error")) {
ws_error_action = die_on_ws_error; state->ws_error_action = die_on_ws_error;
return; return;
} }
if (!strcmp(option, "error-all")) { if (!strcmp(option, "error-all")) {
ws_error_action = die_on_ws_error; state->ws_error_action = die_on_ws_error;
state->squelch_whitespace_errors = 0; state->squelch_whitespace_errors = 0;
return; return;
} }
if (!strcmp(option, "strip") || !strcmp(option, "fix")) { if (!strcmp(option, "strip") || !strcmp(option, "fix")) {
ws_error_action = correct_ws_error; state->ws_error_action = correct_ws_error;
return; return;
} }
die(_("unrecognized whitespace option '%s'"), option); die(_("unrecognized whitespace option '%s'"), option);
@ -135,7 +137,7 @@ static void parse_ignorewhitespace_option(const char *option)
static void set_default_whitespace_mode(struct apply_state *state) static void set_default_whitespace_mode(struct apply_state *state)
{ {
if (!state->whitespace_option && !apply_default_whitespace) if (!state->whitespace_option && !apply_default_whitespace)
ws_error_action = (state->apply ? warn_on_ws_error : nowarn_ws_error); state->ws_error_action = (state->apply ? warn_on_ws_error : nowarn_ws_error);
} }
/* /*
@ -1670,12 +1672,12 @@ static int parse_fragment(struct apply_state *state,
leading++; leading++;
trailing++; trailing++;
if (!state->apply_in_reverse && if (!state->apply_in_reverse &&
ws_error_action == correct_ws_error) state->ws_error_action == correct_ws_error)
check_whitespace(state, line, len, patch->ws_rule); check_whitespace(state, line, len, patch->ws_rule);
break; break;
case '-': case '-':
if (state->apply_in_reverse && if (state->apply_in_reverse &&
ws_error_action != nowarn_ws_error) state->ws_error_action != nowarn_ws_error)
check_whitespace(state, line, len, patch->ws_rule); check_whitespace(state, line, len, patch->ws_rule);
deleted++; deleted++;
oldlines--; oldlines--;
@ -1683,7 +1685,7 @@ static int parse_fragment(struct apply_state *state,
break; break;
case '+': case '+':
if (!state->apply_in_reverse && if (!state->apply_in_reverse &&
ws_error_action != nowarn_ws_error) state->ws_error_action != nowarn_ws_error)
check_whitespace(state, line, len, patch->ws_rule); check_whitespace(state, line, len, patch->ws_rule);
added++; added++;
newlines--; newlines--;
@ -2396,7 +2398,8 @@ static int line_by_line_fuzzy_match(struct image *img,
return 1; return 1;
} }
static int match_fragment(struct image *img, static int match_fragment(struct apply_state *state,
struct image *img,
struct image *preimage, struct image *preimage,
struct image *postimage, struct image *postimage,
unsigned long try, unsigned long try,
@ -2417,7 +2420,7 @@ static int match_fragment(struct image *img,
preimage_limit = preimage->nr; preimage_limit = preimage->nr;
if (match_end && (preimage->nr + try_lno != img->nr)) if (match_end && (preimage->nr + try_lno != img->nr))
return 0; return 0;
} else if (ws_error_action == correct_ws_error && } else if (state->ws_error_action == correct_ws_error &&
(ws_rule & WS_BLANK_AT_EOF)) { (ws_rule & WS_BLANK_AT_EOF)) {
/* /*
* This hunk extends beyond the end of img, and we are * This hunk extends beyond the end of img, and we are
@ -2489,7 +2492,7 @@ static int match_fragment(struct image *img,
return line_by_line_fuzzy_match(img, preimage, postimage, return line_by_line_fuzzy_match(img, preimage, postimage,
try, try_lno, preimage_limit); try, try_lno, preimage_limit);
if (ws_error_action != correct_ws_error) if (state->ws_error_action != correct_ws_error)
return 0; return 0;
/* /*
@ -2601,7 +2604,8 @@ static int match_fragment(struct image *img,
return 0; return 0;
} }
static int find_pos(struct image *img, static int find_pos(struct apply_state *state,
struct image *img,
struct image *preimage, struct image *preimage,
struct image *postimage, struct image *postimage,
int line, int line,
@ -2645,7 +2649,7 @@ static int find_pos(struct image *img,
try_lno = line; try_lno = line;
for (i = 0; ; i++) { for (i = 0; ; i++) {
if (match_fragment(img, preimage, postimage, if (match_fragment(state, img, preimage, postimage,
try, try_lno, ws_rule, try, try_lno, ws_rule,
match_beginning, match_end)) match_beginning, match_end))
return try_lno; return try_lno;
@ -2858,7 +2862,7 @@ static int apply_one_fragment(struct apply_state *state,
start = newlines.len; start = newlines.len;
if (first != '+' || if (first != '+' ||
!state->whitespace_error || !state->whitespace_error ||
ws_error_action != correct_ws_error) { state->ws_error_action != correct_ws_error) {
strbuf_add(&newlines, patch + 1, plen); strbuf_add(&newlines, patch + 1, plen);
} }
else { else {
@ -2936,7 +2940,7 @@ static int apply_one_fragment(struct apply_state *state,
for (;;) { for (;;) {
applied_pos = find_pos(img, &preimage, &postimage, pos, applied_pos = find_pos(state, img, &preimage, &postimage, pos,
ws_rule, match_beginning, match_end); ws_rule, match_beginning, match_end);
if (applied_pos >= 0) if (applied_pos >= 0)
@ -2972,10 +2976,10 @@ static int apply_one_fragment(struct apply_state *state,
if (new_blank_lines_at_end && if (new_blank_lines_at_end &&
preimage.nr + applied_pos >= img->nr && preimage.nr + applied_pos >= img->nr &&
(ws_rule & WS_BLANK_AT_EOF) && (ws_rule & WS_BLANK_AT_EOF) &&
ws_error_action != nowarn_ws_error) { state->ws_error_action != nowarn_ws_error) {
record_ws_error(state, WS_BLANK_AT_EOF, "+", 1, record_ws_error(state, WS_BLANK_AT_EOF, "+", 1,
found_new_blank_lines_at_end); found_new_blank_lines_at_end);
if (ws_error_action == correct_ws_error) { if (state->ws_error_action == correct_ws_error) {
while (new_blank_lines_at_end--) while (new_blank_lines_at_end--)
remove_last_line(&postimage); remove_last_line(&postimage);
} }
@ -2986,7 +2990,7 @@ static int apply_one_fragment(struct apply_state *state,
* apply_patch->check_patch_list->check_patch-> * apply_patch->check_patch_list->check_patch->
* apply_data->apply_fragments->apply_one_fragment * apply_data->apply_fragments->apply_one_fragment
*/ */
if (ws_error_action == die_on_ws_error) if (state->ws_error_action == die_on_ws_error)
state->apply = 0; state->apply = 0;
} }
@ -4530,7 +4534,7 @@ static int apply_patch(struct apply_state *state,
if (!list && !skipped_patch) if (!list && !skipped_patch)
die(_("unrecognized input")); die(_("unrecognized input"));
if (state->whitespace_error && (ws_error_action == die_on_ws_error)) if (state->whitespace_error && (state->ws_error_action == die_on_ws_error))
state->apply = 0; state->apply = 0;
state->update_index = state->check_index && state->apply; state->update_index = state->check_index && state->apply;
@ -4645,6 +4649,7 @@ static void init_apply_state(struct apply_state *state, const char *prefix)
state->p_value = 1; state->p_value = 1;
state->p_context = UINT_MAX; state->p_context = UINT_MAX;
state->squelch_whitespace_errors = 5; state->squelch_whitespace_errors = 5;
state->ws_error_action = warn_on_ws_error;
strbuf_init(&state->root, 0); strbuf_init(&state->root, 0);
git_apply_config(); git_apply_config();
@ -4801,7 +4806,7 @@ int cmd_apply(int argc, const char **argv, const char *prefix)
squelched), squelched),
squelched); squelched);
} }
if (ws_error_action == die_on_ws_error) if (state.ws_error_action == die_on_ws_error)
die(Q_("%d line adds whitespace errors.", die(Q_("%d line adds whitespace errors.",
"%d lines add whitespace errors.", "%d lines add whitespace errors.",
state.whitespace_error), state.whitespace_error),