Files
cproof/src/ui/buffer.c

107 lines
2.4 KiB
C

#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <stdlib.h>
#include <glib.h>
#ifdef HAVE_NCURSESW_NCURSES_H
#include <ncursesw/ncurses.h>
#elif HAVE_NCURSES_H
#include <ncurses.h>
#endif
#include "ui/window.h"
#include "ui/buffer.h"
ProfBuff*
buffer_create() {
ProfBuff* new_buff = malloc(sizeof(struct prof_buff_t));
new_buff->wrap = 0;
new_buff->current = 0;
return new_buff;
}
void
buffer_free(ProfBuff* buffer) {
int i = 0;
int imax = buffer->current;
if(buffer->wrap == 1) {
imax = BUFF_SIZE;
}
for(i = 0; i < imax; i++) {
free(buffer->entry[i].message);
free(buffer->entry[i].from);
}
free(buffer);
}
void
buffer_push(ProfBuff* buffer, const char show_char, GTimeVal *tstamp, int flags, int attrs, const char * const from, const char * const message) {
int *current = &(buffer->current);
ProfBuffEntry e = buffer->entry[*current];
if(buffer->wrap == 1) {
free(e.message);
free(e.from);
}
e.show_char = show_char;
e.tstamp = *tstamp;
e.flags = flags;
e.attrs = attrs;
e.from = malloc(strlen(from)+1);
strcpy(e.from, from);
e.message = malloc(strlen(message)+1);
strcpy(e.message, message);
*current += 1;
if(*current >= BUFF_SIZE) {
*current = 0;
buffer->wrap = 1;
}
}
int
buffer_yield(ProfBuff* buffer, int line, ProfBuffEntry** list) {
//Returns the (line+1)-th last line
//e.g. if line == 0, returns the last line
//To correct for splitted lines...
int current = buffer->current;
int imax = current;
if(buffer->wrap == 1) {
imax = BUFF_SIZE;
}
int i = 1;
int j = 0;
while(i <= imax) {
ProfBuffEntry e = buffer->entry[(current - i) % BUFF_SIZE];
if(j == line && (e.flags & NO_EOL) == 0) {
//We found our line and we are at its last entry
int nb_entries = 1;
while(i + nb_entries <= imax) {
e = buffer->entry[(current - i - nb_entries) % BUFF_SIZE];
if((e.flags & NO_EOL) == 0) {
break;
}
nb_entries += 1;
}
if((buffer->wrap == 1) && (i + nb_entries > imax)) {
//The line is at the top of the buffer, we don't know if it's complete
return 0;
}
else {
*list = &(buffer->entry[(current - i - nb_entries + 1) % BUFF_SIZE]);
return nb_entries;
}
}
if((e.flags & NO_EOL) == 0) {
j++;
}
i++;
}
return 0;
}