sfeed

Simple RSS and Atom feed parser
git clone https://git.sinitax.com/codemadness/sfeed
Log | Files | Refs | README | LICENSE | Upstream | sfeed.txt

commit f2edcbb9d9f06dd7bf172efaa7a68d99ac0f24ea
parent ac1ae80f3d1998d3ce3c7fa1ca933e2cda5d20fd
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date:   Fri, 26 Nov 2021 12:15:12 +0100

sfeed_curses: reuse some functions in util

Diffstat:
Msfeed_curses.c | 133++-----------------------------------------------------------------------------
Mutil.c | 20++++++++++++++++++++
Mutil.h | 5+++++
3 files changed, 27 insertions(+), 131 deletions(-)

diff --git a/sfeed_curses.c b/sfeed_curses.c @@ -18,6 +18,8 @@ #include <unistd.h> #include <wchar.h> +#include "util.h" + /* curses */ #ifndef SFEED_MINICURSES #include <curses.h> @@ -53,12 +55,6 @@ enum Layout { enum Pane { PaneFeeds, PaneItems, PaneLast }; -enum { - FieldUnixTimestamp = 0, FieldTitle, FieldLink, FieldContent, - FieldContentType, FieldId, FieldAuthor, FieldEnclosure, - FieldCategory, FieldLast -}; - struct win { int width; /* absolute width of the window */ int height; /* absolute height of the window */ @@ -135,14 +131,6 @@ struct items { size_t cap; /* available capacity */ }; -struct feed { - char *name; /* feed name */ - char *path; /* path to feed or NULL for stdin */ - unsigned long totalnew; /* amount of new items per feed */ - unsigned long total; /* total items */ - FILE *fp; /* file pointer */ -}; - void alldirty(void); void cleanup(void); void draw(void); @@ -282,68 +270,6 @@ tparmnull(const char *str, long p1, long p2, long p3, long p4, long p5, return tparm(str, p1, p2, p3, p4, p5, p6, p7, p8, p9); } -/* strcasestr() included for portability */ -#undef strcasestr -char * -strcasestr(const char *h, const char *n) -{ - size_t i; - - if (!n[0]) - return (char *)h; - - for (; *h; ++h) { - for (i = 0; n[i] && tolower((unsigned char)n[i]) == - tolower((unsigned char)h[i]); ++i) - ; - if (n[i] == '\0') - return (char *)h; - } - - return NULL; -} - -/* Splits fields in the line buffer by replacing TAB separators with NUL ('\0') - terminators and assign these fields as pointers. If there are less fields - than expected then the field is an empty string constant. */ -void -parseline(char *line, char *fields[FieldLast]) -{ - char *prev, *s; - size_t i; - - for (prev = line, i = 0; - (s = strchr(prev, '\t')) && i < FieldLast - 1; - i++) { - *s = '\0'; - fields[i] = prev; - prev = s + 1; - } - fields[i++] = prev; - /* make non-parsed fields empty. */ - for (; i < FieldLast; i++) - fields[i] = ""; -} - -/* Parse time to time_t, assumes time_t is signed, ignores fractions. */ -int -strtotime(const char *s, time_t *t) -{ - long long l; - char *e; - - errno = 0; - l = strtoll(s, &e, 10); - if (errno || *s == '\0' || *e) - return -1; - /* NOTE: assumes time_t is 64-bit on 64-bit platforms: - long long (at least 32-bit) to time_t. */ - if (t) - *t = (time_t)l; - - return 0; -} - size_t colw(const char *s) { @@ -441,61 +367,6 @@ utf8pad(char *buf, size_t bufsiz, const char *s, size_t len, int pad) return 0; } -/* print `len' columns of characters. If string is shorter pad the rest with - * characters `pad`. */ -void -printutf8pad(FILE *fp, const char *s, size_t len, int pad) -{ - wchar_t wc; - size_t col = 0, i, slen; - int inc, rl, w; - - if (!len) - return; - - slen = strlen(s); - for (i = 0; i < slen; i += inc) { - inc = 1; /* next byte */ - if ((unsigned char)s[i] < 32) { - continue; /* skip control characters */ - } else if ((unsigned char)s[i] >= 127) { - rl = mbtowc(&wc, s + i, slen - i < 4 ? slen - i : 4); - inc = rl; - if (rl < 0) { - mbtowc(NULL, NULL, 0); /* reset state */ - inc = 1; /* invalid, seek next byte */ - w = 1; /* replacement char is one width */ - } else if ((w = wcwidth(wc)) == -1) { - continue; - } - - if (col + w > len || (col + w == len && s[i + inc])) { - fputs("\xe2\x80\xa6", fp); /* ellipsis */ - col++; - break; - } else if (rl < 0) { - fputs("\xef\xbf\xbd", fp); /* replacement */ - col++; - continue; - } - fwrite(&s[i], 1, rl, fp); - col += w; - } else { - /* optimization: simple ASCII character */ - if (col + 1 > len || (col + 1 == len && s[i + 1])) { - fputs("\xe2\x80\xa6", fp); /* ellipsis */ - col++; - break; - } - putc(s[i], fp); - col++; - } - - } - for (; col < len; ++col) - putc(pad, fp); -} - void resetstate(void) { diff --git a/util.c b/util.c @@ -46,6 +46,26 @@ errx(int exitstatus, const char *fmt, ...) exit(exitstatus); } +/* strcasestr() included for portability */ +char * +strcasestr(const char *h, const char *n) +{ + size_t i; + + if (!n[0]) + return (char *)h; + + for (; *h; ++h) { + for (i = 0; n[i] && tolower((unsigned char)n[i]) == + tolower((unsigned char)h[i]); ++i) + ; + if (n[i] == '\0') + return (char *)h; + } + + return NULL; +} + /* check if string has a non-empty scheme / protocol part */ int uri_hasscheme(const char *s) diff --git a/util.h b/util.h @@ -9,6 +9,8 @@ #define unveil(p1,p2) 0 #endif +#undef strcasestr +char *strcasestr(const char *, const char *); #undef strlcat size_t strlcat(char *, const char *, size_t); #undef strlcpy @@ -19,6 +21,9 @@ struct feed { char *name; /* feed name */ unsigned long totalnew; /* amount of new items per feed */ unsigned long total; /* total items */ + /* sfeed_curses */ + char *path; /* path to feed or NULL for stdin */ + FILE *fp; /* file pointer */ }; /* URI */