2014-08-25 00:38:09 -04:00
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/**
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* See Copyright Notice in picrin.h
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*/
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#include <string.h>
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#include "picrin.h"
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#include "picrin/string.h"
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#include "picrin/pair.h"
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#include "picrin/port.h"
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static pic_str *
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2014-09-12 06:52:49 -04:00
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make_str_rope(pic_state *pic, xrope *rope)
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2014-08-25 00:38:09 -04:00
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{
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pic_str *str;
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str = (pic_str *)pic_obj_alloc(pic, sizeof(pic_str), PIC_TT_STRING);
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str->rope = rope; /* delegate ownership */
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return str;
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}
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pic_str *
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2014-09-12 06:52:49 -04:00
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pic_make_str(pic_state *pic, const char *imbed, size_t len)
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2014-08-25 00:38:09 -04:00
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{
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if (imbed == NULL && len > 0) {
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pic_errorf(pic, "zero length specified against NULL ptr");
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}
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2014-09-12 06:52:49 -04:00
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return make_str_rope(pic, xr_new_copy(imbed, len));
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2014-08-25 00:38:09 -04:00
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}
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pic_str *
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2014-09-12 06:52:49 -04:00
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pic_make_str_cstr(pic_state *pic, const char *cstr)
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2014-08-25 00:38:09 -04:00
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{
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2014-09-12 06:52:49 -04:00
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return pic_make_str(pic, cstr, strlen(cstr));
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2014-08-25 00:38:09 -04:00
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}
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2014-09-08 12:12:52 -04:00
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pic_str *
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2014-09-12 06:52:49 -04:00
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pic_make_str_fill(pic_state *pic, size_t len, char fill)
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2014-09-08 12:12:52 -04:00
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{
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size_t i;
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2014-09-08 12:23:58 -04:00
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char buf[len + 1];
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2014-09-08 12:12:52 -04:00
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for (i = 0; i < len; ++i) {
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2014-09-08 12:23:58 -04:00
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buf[i] = fill;
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2014-09-08 12:12:52 -04:00
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}
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2014-09-08 12:23:58 -04:00
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buf[i] = '\0';
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2014-09-08 12:12:52 -04:00
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2014-09-12 06:52:49 -04:00
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return pic_make_str(pic, buf, len);
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2014-09-08 12:12:52 -04:00
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}
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2014-08-25 00:38:09 -04:00
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size_t
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pic_strlen(pic_str *str)
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{
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return xr_len(str->rope);
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}
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char
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pic_str_ref(pic_state *pic, pic_str *str, size_t i)
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{
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int c;
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c = xr_at(str->rope, i);
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if (c == -1) {
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pic_errorf(pic, "index out of range %d", i);
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}
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return (char)c;
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}
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pic_str *
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pic_strcat(pic_state *pic, pic_str *a, pic_str *b)
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{
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2014-09-12 06:52:49 -04:00
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return make_str_rope(pic, xr_cat(a->rope, b->rope));
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2014-08-25 00:38:09 -04:00
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}
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pic_str *
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pic_substr(pic_state *pic, pic_str *str, size_t s, size_t e)
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{
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2014-09-12 06:52:49 -04:00
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return make_str_rope(pic, xr_sub(str->rope, s, e));
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2014-08-25 00:38:09 -04:00
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}
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int
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pic_strcmp(pic_str *str1, pic_str *str2)
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{
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return strcmp(xr_cstr(str1->rope), xr_cstr(str2->rope));
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}
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const char *
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pic_str_cstr(pic_str *str)
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{
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return xr_cstr(str->rope);
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}
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pic_value
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2014-08-26 00:30:08 -04:00
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pic_xvfformat(pic_state *pic, xFILE *file, const char *fmt, va_list ap)
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2014-08-25 00:38:09 -04:00
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{
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char c;
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pic_value irrs = pic_nil_value();
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while ((c = *fmt++)) {
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switch (c) {
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default:
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xfputc(c, file);
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break;
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case '%':
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c = *fmt++;
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if (! c)
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goto exit;
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switch (c) {
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default:
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xfputc(c, file);
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break;
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case '%':
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xfputc('%', file);
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break;
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case 'c':
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xfprintf(file, "%c", va_arg(ap, int));
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break;
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case 's':
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xfprintf(file, "%s", va_arg(ap, const char *));
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break;
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case 'd':
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xfprintf(file, "%d", va_arg(ap, int));
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break;
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case 'p':
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xfprintf(file, "%p", va_arg(ap, void *));
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break;
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case 'f':
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xfprintf(file, "%f", va_arg(ap, double));
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break;
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}
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break;
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case '~':
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c = *fmt++;
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if (! c)
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goto exit;
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switch (c) {
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default:
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xfputc(c, file);
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break;
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case '~':
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xfputc('~', file);
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break;
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case '%':
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xfputc('\n', file);
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break;
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case 'a':
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irrs = pic_cons(pic, pic_fdisplay(pic, va_arg(ap, pic_value), file), irrs);
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break;
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case 's':
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irrs = pic_cons(pic, pic_fwrite(pic, va_arg(ap, pic_value), file), irrs);
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break;
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}
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break;
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}
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}
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exit:
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return pic_reverse(pic, irrs);
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}
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pic_value
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2014-08-26 00:30:08 -04:00
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pic_xvformat(pic_state *pic, const char *fmt, va_list ap)
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2014-08-25 00:38:09 -04:00
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{
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struct pic_port *port;
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pic_value irrs;
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port = pic_open_output_string(pic);
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2014-08-26 00:30:08 -04:00
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irrs = pic_xvfformat(pic, port->file, fmt, ap);
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2014-08-25 00:38:09 -04:00
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irrs = pic_cons(pic, pic_obj_value(pic_get_output_string(pic, port)), irrs);
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pic_close_port(pic, port);
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return irrs;
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}
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pic_value
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2014-08-26 00:30:08 -04:00
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pic_xformat(pic_state *pic, const char *fmt, ...)
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2014-08-25 00:38:09 -04:00
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{
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va_list ap;
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pic_value objs;
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va_start(ap, fmt);
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2014-08-26 00:30:08 -04:00
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objs = pic_xvformat(pic, fmt, ap);
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2014-08-25 00:38:09 -04:00
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va_end(ap);
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return objs;
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}
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2014-08-26 00:30:08 -04:00
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void
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pic_vfformat(pic_state *pic, xFILE *file, const char *fmt, va_list ap)
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{
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pic_xvfformat(pic, file, fmt, ap);
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}
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pic_str *
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pic_vformat(pic_state *pic, const char *fmt, va_list ap)
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{
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struct pic_port *port;
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pic_str *str;
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port = pic_open_output_string(pic);
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pic_vfformat(pic, port->file, fmt, ap);
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str = pic_get_output_string(pic, port);
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pic_close_port(pic, port);
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return str;
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}
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pic_str *
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pic_format(pic_state *pic, const char *fmt, ...)
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{
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va_list ap;
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pic_str *str;
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va_start(ap, fmt);
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str = pic_vformat(pic, fmt, ap);
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va_end(ap);
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return str;
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}
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2014-08-25 00:38:09 -04:00
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static pic_value
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pic_str_string_p(pic_state *pic)
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{
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pic_value v;
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pic_get_args(pic, "o", &v);
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return pic_bool_value(pic_str_p(v));
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}
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2014-09-12 07:23:58 -04:00
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static pic_value
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pic_str_string(pic_state *pic)
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{
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2014-09-26 04:04:20 -04:00
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int argc, i;
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2014-09-12 07:23:58 -04:00
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pic_value *argv;
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pic_str *str;
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char *buf;
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pic_get_args(pic, "*", &argc, &argv);
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2014-09-27 04:18:11 -04:00
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buf = pic_alloc(pic, (size_t)argc);
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2014-09-12 07:23:58 -04:00
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for (i = 0; i < argc; ++i) {
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pic_assert_type(pic, argv[i], char);
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buf[i] = pic_char(argv[i]);
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}
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2014-09-27 04:18:11 -04:00
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str = pic_make_str(pic, buf, (size_t)argc);
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2014-09-12 07:23:58 -04:00
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pic_free(pic, buf);
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return pic_obj_value(str);
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}
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2014-09-08 12:12:52 -04:00
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static pic_value
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pic_str_make_string(pic_state *pic)
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{
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2014-09-27 05:48:20 -04:00
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size_t len;
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2014-09-08 12:12:52 -04:00
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char c = ' ';
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2014-09-27 05:48:20 -04:00
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pic_get_args(pic, "k|c", &len, &c);
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2014-09-08 12:12:52 -04:00
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2014-09-12 06:52:49 -04:00
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return pic_obj_value(pic_make_str_fill(pic, len, c));
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2014-09-08 12:12:52 -04:00
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}
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2014-08-25 00:38:09 -04:00
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static pic_value
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pic_str_string_length(pic_state *pic)
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{
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pic_str *str;
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pic_get_args(pic, "s", &str);
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2014-09-27 06:40:10 -04:00
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return pic_size_value(pic_strlen(str));
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2014-08-25 00:38:09 -04:00
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}
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static pic_value
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pic_str_string_ref(pic_state *pic)
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{
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pic_str *str;
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2014-09-27 05:48:20 -04:00
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size_t k;
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2014-08-25 00:38:09 -04:00
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2014-09-27 05:48:20 -04:00
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pic_get_args(pic, "sk", &str, &k);
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2014-08-25 00:38:09 -04:00
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return pic_char_value(pic_str_ref(pic, str, k));
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}
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#define DEFINE_STRING_CMP(name, op) \
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static pic_value \
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pic_str_string_##name(pic_state *pic) \
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{ \
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2014-09-26 04:04:20 -04:00
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int argc, i; \
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2014-08-25 00:38:09 -04:00
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pic_value *argv; \
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\
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pic_get_args(pic, "*", &argc, &argv); \
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\
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if (argc < 1 || ! pic_str_p(argv[0])) { \
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return pic_false_value(); \
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} \
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\
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for (i = 1; i < argc; ++i) { \
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if (! pic_str_p(argv[i])) { \
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return pic_false_value(); \
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} \
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if (! (pic_strcmp(pic_str_ptr(argv[i-1]), pic_str_ptr(argv[i])) op 0)) { \
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return pic_false_value(); \
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} \
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} \
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return pic_true_value(); \
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}
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DEFINE_STRING_CMP(eq, ==)
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DEFINE_STRING_CMP(lt, <)
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DEFINE_STRING_CMP(gt, >)
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DEFINE_STRING_CMP(le, <=)
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DEFINE_STRING_CMP(ge, >=)
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static pic_value
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pic_str_string_copy(pic_state *pic)
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{
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pic_str *str;
|
2014-09-27 05:48:20 -04:00
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int n;
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size_t start, end;
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2014-08-25 00:38:09 -04:00
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2014-09-27 05:48:20 -04:00
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n = pic_get_args(pic, "s|kk", &str, &start, &end);
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2014-08-25 00:38:09 -04:00
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switch (n) {
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case 1:
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start = 0;
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case 2:
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end = pic_strlen(str);
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}
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return pic_obj_value(pic_substr(pic, str, start, end));
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}
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static pic_value
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pic_str_string_append(pic_state *pic)
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{
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2014-09-26 04:04:20 -04:00
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int argc, i;
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2014-08-25 00:38:09 -04:00
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pic_value *argv;
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pic_str *str;
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pic_get_args(pic, "*", &argc, &argv);
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2014-09-12 06:52:49 -04:00
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str = pic_make_str(pic, NULL, 0);
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2014-08-25 00:38:09 -04:00
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for (i = 0; i < argc; ++i) {
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if (! pic_str_p(argv[i])) {
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2014-09-16 10:43:15 -04:00
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pic_errorf(pic, "type error");
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2014-08-25 00:38:09 -04:00
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}
|
|
|
|
str = pic_strcat(pic, str, pic_str_ptr(argv[i]));
|
|
|
|
}
|
|
|
|
return pic_obj_value(str);
|
|
|
|
}
|
|
|
|
|
2014-09-19 05:16:28 -04:00
|
|
|
static pic_value
|
|
|
|
pic_str_string_map(pic_state *pic)
|
|
|
|
{
|
|
|
|
struct pic_proc *proc;
|
2014-09-27 05:48:20 -04:00
|
|
|
int argc;
|
2014-09-19 05:16:28 -04:00
|
|
|
pic_value *argv, vals, val;
|
2014-09-27 05:48:20 -04:00
|
|
|
size_t i, len, j;
|
2014-09-19 05:16:28 -04:00
|
|
|
|
|
|
|
pic_get_args(pic, "l*", &proc, &argc, &argv);
|
|
|
|
|
|
|
|
len = SIZE_MAX;
|
2014-09-27 05:48:20 -04:00
|
|
|
for (i = 0; i < (size_t)argc; ++i) {
|
2014-09-19 05:16:28 -04:00
|
|
|
pic_assert_type(pic, argv[i], str);
|
|
|
|
|
|
|
|
len = len < pic_strlen(pic_str_ptr(argv[i]))
|
|
|
|
? len
|
|
|
|
: pic_strlen(pic_str_ptr(argv[i]));
|
|
|
|
}
|
|
|
|
if (len == SIZE_MAX) {
|
|
|
|
pic_errorf(pic, "string-map: one or more strings expected, but got zero");
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
char buf[len];
|
|
|
|
|
|
|
|
for (i = 0; i < len; ++i) {
|
|
|
|
vals = pic_nil_value();
|
2014-09-27 05:48:20 -04:00
|
|
|
for (j = 0; j < (size_t)argc; ++j) {
|
2014-09-19 05:16:28 -04:00
|
|
|
pic_push(pic, pic_char_value(pic_str_ref(pic, pic_str_ptr(argv[j]), i)), vals);
|
|
|
|
}
|
|
|
|
val = pic_apply(pic, proc, vals);
|
|
|
|
|
|
|
|
pic_assert_type(pic, val, char);
|
|
|
|
buf[i] = pic_char(val);
|
|
|
|
}
|
|
|
|
|
|
|
|
return pic_obj_value(pic_make_str(pic, buf, len));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static pic_value
|
|
|
|
pic_str_string_for_each(pic_state *pic)
|
|
|
|
{
|
|
|
|
struct pic_proc *proc;
|
2014-09-27 05:48:20 -04:00
|
|
|
int argc;
|
|
|
|
size_t len, i, j;
|
2014-09-19 05:16:28 -04:00
|
|
|
pic_value *argv, vals, val;
|
|
|
|
|
|
|
|
pic_get_args(pic, "l*", &proc, &argc, &argv);
|
|
|
|
|
|
|
|
len = SIZE_MAX;
|
2014-09-27 05:48:20 -04:00
|
|
|
for (i = 0; i < (size_t)argc; ++i) {
|
2014-09-19 05:16:28 -04:00
|
|
|
pic_assert_type(pic, argv[i], str);
|
|
|
|
|
|
|
|
len = len < pic_strlen(pic_str_ptr(argv[i]))
|
|
|
|
? len
|
|
|
|
: pic_strlen(pic_str_ptr(argv[i]));
|
|
|
|
}
|
|
|
|
if (len == SIZE_MAX) {
|
|
|
|
pic_errorf(pic, "string-map: one or more strings expected, but got zero");
|
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 0; i < len; ++i) {
|
|
|
|
vals = pic_nil_value();
|
2014-09-27 05:48:20 -04:00
|
|
|
for (j = 0; j < (size_t)argc; ++j) {
|
2014-09-19 05:16:28 -04:00
|
|
|
pic_push(pic, pic_char_value(pic_str_ref(pic, pic_str_ptr(argv[j]), i)), vals);
|
|
|
|
}
|
|
|
|
val = pic_apply(pic, proc, vals);
|
|
|
|
}
|
|
|
|
|
|
|
|
return pic_none_value();
|
|
|
|
}
|
|
|
|
|
2014-09-10 07:09:32 -04:00
|
|
|
static pic_value
|
|
|
|
pic_str_list_to_string(pic_state *pic)
|
|
|
|
{
|
|
|
|
pic_str *str;
|
|
|
|
pic_value list, e;
|
2014-09-27 05:48:20 -04:00
|
|
|
size_t i = 0;
|
2014-09-10 07:09:32 -04:00
|
|
|
|
|
|
|
pic_get_args(pic, "o", &list);
|
|
|
|
|
2014-09-21 02:32:55 -04:00
|
|
|
if (pic_length(pic, list) == 0) {
|
|
|
|
return pic_obj_value(pic_make_str(pic, NULL, 0));
|
|
|
|
} else {
|
|
|
|
char buf[pic_length(pic, list)];
|
2014-09-10 07:09:32 -04:00
|
|
|
|
2014-09-21 02:32:55 -04:00
|
|
|
pic_for_each (e, list) {
|
|
|
|
pic_assert_type(pic, e, char);
|
2014-09-10 07:09:32 -04:00
|
|
|
|
2014-09-21 02:32:55 -04:00
|
|
|
buf[i++] = pic_char(e);
|
|
|
|
}
|
2014-09-10 07:09:32 -04:00
|
|
|
|
2014-09-21 02:32:55 -04:00
|
|
|
str = pic_make_str(pic, buf, i);
|
|
|
|
|
|
|
|
return pic_obj_value(str);
|
|
|
|
}
|
2014-09-10 07:09:32 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
static pic_value
|
|
|
|
pic_str_string_to_list(pic_state *pic)
|
|
|
|
{
|
|
|
|
pic_str *str;
|
|
|
|
pic_value list;
|
2014-09-27 05:48:20 -04:00
|
|
|
int n;
|
|
|
|
size_t start, end, i;
|
2014-09-10 07:09:32 -04:00
|
|
|
|
2014-09-27 05:48:20 -04:00
|
|
|
n = pic_get_args(pic, "s|kk", &str, &start, &end);
|
2014-09-10 07:09:32 -04:00
|
|
|
|
|
|
|
switch (n) {
|
|
|
|
case 1:
|
|
|
|
start = 0;
|
|
|
|
case 2:
|
2014-09-27 05:48:20 -04:00
|
|
|
end = pic_strlen(str);
|
2014-09-10 07:09:32 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
list = pic_nil_value();
|
|
|
|
|
|
|
|
for (i = start; i < end; ++i) {
|
|
|
|
pic_push(pic, pic_char_value(pic_str_ref(pic, str, i)), list);
|
|
|
|
}
|
|
|
|
return pic_reverse(pic, list);
|
|
|
|
}
|
|
|
|
|
2014-08-25 00:38:09 -04:00
|
|
|
void
|
|
|
|
pic_init_str(pic_state *pic)
|
|
|
|
{
|
|
|
|
pic_defun(pic, "string?", pic_str_string_p);
|
2014-09-12 07:23:58 -04:00
|
|
|
pic_defun(pic, "string", pic_str_string);
|
2014-09-08 12:12:52 -04:00
|
|
|
pic_defun(pic, "make-string", pic_str_make_string);
|
2014-08-25 00:38:09 -04:00
|
|
|
pic_defun(pic, "string-length", pic_str_string_length);
|
|
|
|
pic_defun(pic, "string-ref", pic_str_string_ref);
|
2014-09-08 12:23:58 -04:00
|
|
|
pic_defun(pic, "string-copy", pic_str_string_copy);
|
|
|
|
pic_defun(pic, "string-append", pic_str_string_append);
|
2014-09-19 05:16:28 -04:00
|
|
|
pic_defun(pic, "string-map", pic_str_string_map);
|
|
|
|
pic_defun(pic, "string-for-each", pic_str_string_for_each);
|
2014-09-10 07:09:32 -04:00
|
|
|
pic_defun(pic, "list->string", pic_str_list_to_string);
|
|
|
|
pic_defun(pic, "string->list", pic_str_string_to_list);
|
2014-08-25 00:38:09 -04:00
|
|
|
|
|
|
|
pic_defun(pic, "string=?", pic_str_string_eq);
|
|
|
|
pic_defun(pic, "string<?", pic_str_string_lt);
|
|
|
|
pic_defun(pic, "string>?", pic_str_string_gt);
|
|
|
|
pic_defun(pic, "string<=?", pic_str_string_le);
|
|
|
|
pic_defun(pic, "string>=?", pic_str_string_ge);
|
|
|
|
}
|