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Moving two functions to the color.c file, where they belong.
And making the checking for an impatient user into a separate routine. git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5501 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
This commit is contained in:
Benno Schulenberg
parent
5737fe3461
commit
31f0456e9a
@ -1,3 +1,8 @@
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2015-12-22 Benno Schulenberg <bensberg@justemail.net>
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* src/color.c (precalc_multicolorinfo, alloc_multidata_if_needed):
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Move these two functions to the file where they belong. And make
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the checking for an impatient user into a separate routine.
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2015-12-20 Benno Schulenberg <bensberg@justemail.net>
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* src/files.c (display_buffer), src/nano.c (main): Precalculate the
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multiline-regex cache data for each buffer, not just for the first.
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144
src/color.c
144
src/color.c
@ -26,6 +26,7 @@
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include <time.h>
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#include <unistd.h>
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#ifdef HAVE_MAGIC_H
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@ -450,4 +451,147 @@ void reset_multis(filestruct *fileptr, bool force)
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}
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}
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/* Allocate (for one line) the cache space for multiline color regexes. */
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void alloc_multidata_if_needed(filestruct *fileptr)
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{
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int i;
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if (fileptr->multidata == NULL) {
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fileptr->multidata = (short *)nmalloc(openfile->syntax->nmultis * sizeof(short));
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for (i = 0; i < openfile->syntax->nmultis; i++)
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fileptr->multidata[i] = -1;
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}
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}
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/* Poll the keyboard every second to see if the user starts typing. */
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bool key_was_pressed(void)
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{
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static time_t last_time = 0;
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if (time(NULL) != last_time) {
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last_time = time(NULL);
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return (wgetch(edit) != ERR);
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} else
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return FALSE;
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}
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/* Precalculate the multi-line start and end regex info so we can
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* speed up rendering (with any hope at all...). */
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void precalc_multicolorinfo(void)
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{
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const colortype *tmpcolor = openfile->colorstrings;
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regmatch_t startmatch, endmatch;
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filestruct *fileptr, *endptr;
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if (openfile->colorstrings == NULL || ISSET(NO_COLOR_SYNTAX))
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return;
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#ifdef DEBUG
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fprintf(stderr, "Entering precalculation of multiline color info\n");
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#endif
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/* Let us get keypresses to see if the user is trying to start
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* editing. Later we may want to throw up a statusbar message
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* before starting this if it takes too long to do this routine.
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* For now silently abort if they hit a key. */
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nodelay(edit, TRUE);
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for (; tmpcolor != NULL; tmpcolor = tmpcolor->next) {
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/* If this is not a multi-line regex, skip it. */
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if (tmpcolor->end == NULL)
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continue;
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#ifdef DEBUG
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fprintf(stderr, "Starting work on color id %d\n", tmpcolor->id);
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#endif
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for (fileptr = openfile->fileage; fileptr != NULL; fileptr = fileptr->next) {
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int startx = 0, nostart = 0;
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if (key_was_pressed())
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goto precalc_cleanup;
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#ifdef DEBUG
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fprintf(stderr, "working on lineno %ld... ", (long)fileptr->lineno);
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#endif
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alloc_multidata_if_needed(fileptr);
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while ((nostart = regexec(tmpcolor->start, &fileptr->data[startx],
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1, &startmatch, (startx == 0) ? 0 : REG_NOTBOL)) == 0) {
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/* Look for an end, and start marking how many lines are
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* encompassed, which should speed up rendering later. */
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startx += startmatch.rm_eo;
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#ifdef DEBUG
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fprintf(stderr, "start found at pos %lu... ", (unsigned long)startx);
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#endif
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/* Look first on this line for an end. */
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if (regexec(tmpcolor->end, &fileptr->data[startx], 1,
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&endmatch, (startx == 0) ? 0 : REG_NOTBOL) == 0) {
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startx += endmatch.rm_eo;
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fileptr->multidata[tmpcolor->id] = CSTARTENDHERE;
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#ifdef DEBUG
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fprintf(stderr, "end found on this line\n");
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#endif
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continue;
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}
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/* Nice, we didn't find the end regex on this line. Let's start looking for it. */
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for (endptr = fileptr->next; endptr != NULL; endptr = endptr->next) {
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#ifdef DEBUG
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fprintf(stderr, "\nadvancing to line %ld to find end... ", (long)endptr->lineno);
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#endif
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/* Check for interrupting keyboard input again. */
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if (key_was_pressed())
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goto precalc_cleanup;
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if (regexec(tmpcolor->end, endptr->data, 1, &endmatch, 0) == 0)
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break;
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}
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if (endptr == NULL) {
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#ifdef DEBUG
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fprintf(stderr, "no end found, breaking out\n");
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#endif
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break;
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}
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#ifdef DEBUG
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fprintf(stderr, "end found\n");
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#endif
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/* We found it, we found it, la la la la la. Mark all
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* the lines in between and the end properly. */
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fileptr->multidata[tmpcolor->id] = CENDAFTER;
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#ifdef DEBUG
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fprintf(stderr, "marking line %ld as CENDAFTER\n", (long)fileptr->lineno);
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#endif
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for (fileptr = fileptr->next; fileptr != endptr; fileptr = fileptr->next) {
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alloc_multidata_if_needed(fileptr);
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fileptr->multidata[tmpcolor->id] = CWHOLELINE;
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#ifdef DEBUG
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fprintf(stderr, "marking intermediary line %ld as CWHOLELINE\n", (long)fileptr->lineno);
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#endif
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}
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alloc_multidata_if_needed(endptr);
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fileptr->multidata[tmpcolor->id] = CBEGINBEFORE;
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#ifdef DEBUG
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fprintf(stderr, "marking line %ld as CBEGINBEFORE\n", (long)fileptr->lineno);
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#endif
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/* Skip to the end point of the match. */
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startx = endmatch.rm_eo;
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#ifdef DEBUG
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fprintf(stderr, "jumping to line %ld pos %lu to continue\n", (long)fileptr->lineno, (unsigned long)startx);
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#endif
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}
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if (nostart && startx == 0) {
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#ifdef DEBUG
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fprintf(stderr, "no match\n");
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#endif
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fileptr->multidata[tmpcolor->id] = CNONE;
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continue;
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}
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}
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}
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precalc_cleanup:
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nodelay(edit, FALSE);
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}
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#endif /* !DISABLE_COLOR */
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141
src/nano.c
141
src/nano.c
@ -31,7 +31,6 @@
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#include <errno.h>
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#include <ctype.h>
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#include <locale.h>
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#include <time.h>
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#ifdef ENABLE_UTF8
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#include <langinfo.h>
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#endif
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@ -1854,146 +1853,6 @@ int do_mouse(void)
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}
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#endif /* !DISABLE_MOUSE */
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#ifndef DISABLE_COLOR
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void alloc_multidata_if_needed(filestruct *fileptr)
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{
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int i;
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if (fileptr->multidata == NULL) {
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fileptr->multidata = (short *)nmalloc(openfile->syntax->nmultis * sizeof(short));
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for (i = 0; i < openfile->syntax->nmultis; i++)
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fileptr->multidata[i] = -1;
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}
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}
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/* Precalculate the multi-line start and end regex info so we can
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* speed up rendering (with any hope at all...). */
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void precalc_multicolorinfo(void)
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{
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#ifdef DEBUG
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fprintf(stderr, "Entering precalculation of multiline color info\n");
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#endif
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if (openfile->colorstrings != NULL && !ISSET(NO_COLOR_SYNTAX)) {
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const colortype *tmpcolor = openfile->colorstrings;
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regmatch_t startmatch, endmatch;
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filestruct *fileptr, *endptr;
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time_t last_check = time(NULL), cur_check = 0;
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/* Let us get keypresses to see if the user is trying to start
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* editing. Later we may want to throw up a statusbar message
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* before starting this if it takes too long to do this routine.
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* For now silently abort if they hit a key. */
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nodelay(edit, TRUE);
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for (; tmpcolor != NULL; tmpcolor = tmpcolor->next) {
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/* If it's not a multi-line regex, amscray. */
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if (tmpcolor->end == NULL)
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continue;
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#ifdef DEBUG
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fprintf(stderr, "Starting work on color id %d\n", tmpcolor->id);
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#endif
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for (fileptr = openfile->fileage; fileptr != NULL; fileptr = fileptr->next) {
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int startx = 0;
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int nostart = 0;
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#ifdef DEBUG
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fprintf(stderr, "working on lineno %ld... ", (long)fileptr->lineno);
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#endif
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alloc_multidata_if_needed(fileptr);
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if ((cur_check = time(NULL)) - last_check > 1) {
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last_check = cur_check;
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if (wgetch(edit) != ERR)
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goto precalc_cleanup;
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}
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while ((nostart = regexec(tmpcolor->start, &fileptr->data[startx], 1, &startmatch,
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(startx == 0) ? 0 : REG_NOTBOL)) == 0) {
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/* Look for an end, and start marking how many lines are
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* encompassed, which should speed up rendering later. */
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startx += startmatch.rm_eo;
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#ifdef DEBUG
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fprintf(stderr, "start found at pos %lu... ", (unsigned long)startx);
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#endif
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/* Look first on this line for an end. */
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if (regexec(tmpcolor->end, &fileptr->data[startx], 1, &endmatch,
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(startx == 0) ? 0 : REG_NOTBOL) == 0) {
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startx += endmatch.rm_eo;
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fileptr->multidata[tmpcolor->id] = CSTARTENDHERE;
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#ifdef DEBUG
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fprintf(stderr, "end found on this line\n");
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#endif
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continue;
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}
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/* Nice, we didn't find the end regex on this line. Let's start looking for it. */
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for (endptr = fileptr->next; endptr != NULL; endptr = endptr->next) {
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#ifdef DEBUG
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fprintf(stderr, "\nadvancing to line %ld to find end... ", (long)endptr->lineno);
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#endif
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/* Check for keyboard input, again. */
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if ((cur_check = time(NULL)) - last_check > 1) {
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last_check = cur_check;
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if (wgetch(edit) != ERR)
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goto precalc_cleanup;
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}
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if (regexec(tmpcolor->end, endptr->data, 1, &endmatch, 0) == 0)
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break;
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}
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if (endptr == NULL) {
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#ifdef DEBUG
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fprintf(stderr, "no end found, breaking out\n");
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#endif
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break;
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}
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#ifdef DEBUG
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fprintf(stderr, "end found\n");
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#endif
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/* We found it, we found it, la la la la la. Mark all
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* the lines in between and the end properly. */
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fileptr->multidata[tmpcolor->id] = CENDAFTER;
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#ifdef DEBUG
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fprintf(stderr, "marking line %ld as CENDAFTER\n", (long)fileptr->lineno);
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#endif
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for (fileptr = fileptr->next; fileptr != endptr; fileptr = fileptr->next) {
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alloc_multidata_if_needed(fileptr);
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fileptr->multidata[tmpcolor->id] = CWHOLELINE;
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#ifdef DEBUG
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fprintf(stderr, "marking intermediary line %ld as CWHOLELINE\n", (long)fileptr->lineno);
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#endif
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}
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alloc_multidata_if_needed(endptr);
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fileptr->multidata[tmpcolor->id] = CBEGINBEFORE;
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#ifdef DEBUG
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fprintf(stderr, "marking line %ld as CBEGINBEFORE\n", (long)fileptr->lineno);
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#endif
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/* Skip to the end point of the match. */
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startx = endmatch.rm_eo;
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#ifdef DEBUG
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fprintf(stderr, "jumping to line %ld pos %lu to continue\n", (long)fileptr->lineno, (unsigned long)startx);
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#endif
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}
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if (nostart && startx == 0) {
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#ifdef DEBUG
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fprintf(stderr, "no match\n");
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#endif
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fileptr->multidata[tmpcolor->id] = CNONE;
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continue;
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}
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}
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}
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}
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precalc_cleanup:
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nodelay(edit, FALSE);
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}
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#endif /* !DISABLE_COLOR */
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/* The user typed output_len multibyte characters. Add them to the edit
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* buffer, filtering out all ASCII control characters if allow_cntrls is
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* TRUE. */
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@ -252,6 +252,9 @@ bool is_valid_mbstring(const char *s);
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void set_colorpairs(void);
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void color_init(void);
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void color_update(void);
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void reset_multis(filestruct *fileptr, bool force);
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void alloc_multidata_if_needed(filestruct *fileptr);
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void precalc_multicolorinfo(void);
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#endif
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/* All functions in cut.c. */
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@ -506,7 +509,6 @@ int do_input(bool allow_funcs);
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int do_mouse(void);
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#endif
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void do_output(char *output, size_t output_len, bool allow_cntrls);
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void precalc_multicolorinfo(void);
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/* All functions in prompt.c. */
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int do_statusbar_input(bool *ran_func, bool *finished,
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@ -571,8 +573,6 @@ void parse_include(char *ptr);
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short color_to_short(const char *colorname, bool *bright);
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void parse_colors(char *ptr, bool icase);
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bool parse_color_names(char *combostr, short *fg, short *bg, bool *bright);
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void reset_multis(filestruct *fileptr, bool force);
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void alloc_multidata_if_needed(filestruct *fileptr);
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#endif
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void parse_rcfile(FILE *rcstream
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#ifndef DISABLE_COLOR
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