X-Git-Url: https://gitweb.ps.run/ps-cgit/blobdiff_plain/1a64fd2f83affda41fb9903b7c299d35170bfc05..ed3497b0de6634350cd17b320538fba918d4084c:/html.c diff --git a/html.c b/html.c index ae1cef9..f0ee2d6 100644 --- a/html.c +++ b/html.c @@ -1,11 +1,13 @@ /* html.c: helper functions for html output * - * Copyright (C) 2006 Lars Hjemli + * Copyright (C) 2006-2014 cgit Development Team * * Licensed under GNU General Public License v2 * (see COPYING for full license text) */ +#include "cgit.h" +#include "html.h" #include #include #include @@ -18,7 +20,7 @@ static const char* url_escape_table[256] = { "%00", "%01", "%02", "%03", "%04", "%05", "%06", "%07", "%08", "%09", "%0a", "%0b", "%0c", "%0d", "%0e", "%0f", "%10", "%11", "%12", "%13", "%14", "%15", "%16", "%17", "%18", "%19", "%1a", "%1b", "%1c", "%1d", - "%1e", "%1f", "+", 0, "%22", "%23", 0, "%25", "%26", "%27", 0, 0, 0, + "%1e", "%1f", "%20", 0, "%22", "%23", 0, "%25", "%26", "%27", 0, 0, 0, "%2b", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "%3c", "%3d", "%3e", "%3f", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "%5c", 0, "%5e", 0, "%60", 0, 0, 0, 0, 0, @@ -39,8 +41,6 @@ static const char* url_escape_table[256] = { "%fe", "%ff" }; -int htmlfd = STDOUT_FILENO; - char *fmt(const char *format, ...) { static char buf[8][1024]; @@ -54,32 +54,67 @@ char *fmt(const char *format, ...) va_start(args, format); len = vsnprintf(buf[bufidx], sizeof(buf[bufidx]), format, args); va_end(args); - if (len>sizeof(buf[bufidx])) { + if (len > sizeof(buf[bufidx])) { fprintf(stderr, "[html.c] string truncated: %s\n", format); exit(1); } return buf[bufidx]; } +char *fmtalloc(const char *format, ...) +{ + struct strbuf sb = STRBUF_INIT; + va_list args; + + va_start(args, format); + strbuf_vaddf(&sb, format, args); + va_end(args); + + return strbuf_detach(&sb, NULL); +} + void html_raw(const char *data, size_t size) { - write(htmlfd, data, size); + if (write(STDOUT_FILENO, data, size) != size) + die_errno("write error on html output"); } void html(const char *txt) { - write(htmlfd, txt, strlen(txt)); + html_raw(txt, strlen(txt)); } void htmlf(const char *format, ...) { - static char buf[65536]; + va_list args; + struct strbuf buf = STRBUF_INIT; + + va_start(args, format); + strbuf_vaddf(&buf, format, args); + va_end(args); + html(buf.buf); + strbuf_release(&buf); +} + +void html_txtf(const char *format, ...) +{ va_list args; va_start(args, format); - vsnprintf(buf, sizeof(buf), format, args); + html_vtxtf(format, args); va_end(args); - html(buf); +} + +void html_vtxtf(const char *format, va_list ap) +{ + va_list cp; + struct strbuf buf = STRBUF_INIT; + + va_copy(cp, ap); + strbuf_vaddf(&buf, format, cp); + va_end(cp); + html_txt(buf.buf); + strbuf_release(&buf); } void html_status(int code, const char *msg, int more_headers) @@ -92,101 +127,118 @@ void html_status(int code, const char *msg, int more_headers) void html_txt(const char *txt) { const char *t = txt; - while(t && *t){ + while (t && *t) { int c = *t; - if (c=='<' || c=='>' || c=='&') { + if (c == '<' || c == '>' || c == '&') { html_raw(txt, t - txt); - if (c=='>') + if (c == '>') html(">"); - else if (c=='<') + else if (c == '<') html("<"); - else if (c=='&') + else if (c == '&') html("&"); - txt = t+1; + txt = t + 1; } t++; } - if (t!=txt) + if (t != txt) html(txt); } void html_ntxt(int len, const char *txt) { const char *t = txt; - while(t && *t && len--){ + while (t && *t && len--) { int c = *t; - if (c=='<' || c=='>' || c=='&') { + if (c == '<' || c == '>' || c == '&') { html_raw(txt, t - txt); - if (c=='>') + if (c == '>') html(">"); - else if (c=='<') + else if (c == '<') html("<"); - else if (c=='&') + else if (c == '&') html("&"); - txt = t+1; + txt = t + 1; } t++; } - if (t!=txt) + if (t != txt) html_raw(txt, t - txt); - if (len<0) + if (len < 0) html("..."); } +void html_attrf(const char *fmt, ...) +{ + va_list ap; + struct strbuf sb = STRBUF_INIT; + + va_start(ap, fmt); + strbuf_vaddf(&sb, fmt, ap); + va_end(ap); + + html_attr(sb.buf); + strbuf_release(&sb); +} + void html_attr(const char *txt) { const char *t = txt; - while(t && *t){ + while (t && *t) { int c = *t; - if (c=='<' || c=='>' || c=='\'' || c=='\"') { + if (c == '<' || c == '>' || c == '\'' || c == '\"' || c == '&') { html_raw(txt, t - txt); - if (c=='>') + if (c == '>') html(">"); - else if (c=='<') + else if (c == '<') html("<"); - else if (c=='\'') + else if (c == '\'') html("'"); - else if (c=='"') + else if (c == '"') html("""); - txt = t+1; + else if (c == '&') + html("&"); + txt = t + 1; } t++; } - if (t!=txt) + if (t != txt) html(txt); } void html_url_path(const char *txt) { const char *t = txt; - while(t && *t){ - int c = *t; + while (t && *t) { + unsigned char c = *t; const char *e = url_escape_table[c]; - if (e && c!='+' && c!='&' && c!='+') { + if (e && c != '+' && c != '&') { html_raw(txt, t - txt); - html_raw(e, 3); - txt = t+1; + html(e); + txt = t + 1; } t++; } - if (t!=txt) + if (t != txt) html(txt); } void html_url_arg(const char *txt) { const char *t = txt; - while(t && *t){ - int c = *t; + while (t && *t) { + unsigned char c = *t; const char *e = url_escape_table[c]; + if (c == ' ') + e = "+"; if (e) { html_raw(txt, t - txt); - html_raw(e, strlen(e)); - txt = t+1; + html(e); + txt = t + 1; } t++; } - if (t!=txt) + if (t != txt) html(txt); } @@ -256,13 +308,13 @@ int html_include(const char *filename) filename, strerror(errno), errno); return -1; } - while((len = fread(buf, 1, 4096, f)) > 0) + while ((len = fread(buf, 1, 4096, f)) > 0) html_raw(buf, len); fclose(f); return 0; } -int hextoint(char c) +static int hextoint(char c) { if (c >= 'a' && c <= 'f') return 10 + c - 'a'; @@ -274,7 +326,7 @@ int hextoint(char c) return -1; } -char *convert_query_hexchar(char *txt) +static char *convert_query_hexchar(char *txt) { int d1, d2, n; n = strlen(txt); @@ -282,47 +334,44 @@ char *convert_query_hexchar(char *txt) *txt = '\0'; return txt-1; } - d1 = hextoint(*(txt+1)); - d2 = hextoint(*(txt+2)); - if (d1<0 || d2<0) { - memmove(txt, txt+3, n-2); + d1 = hextoint(*(txt + 1)); + d2 = hextoint(*(txt + 2)); + if (d1 < 0 || d2 < 0) { + memmove(txt, txt + 3, n - 2); return txt-1; } else { *txt = d1 * 16 + d2; - memmove(txt+1, txt+3, n-2); + memmove(txt + 1, txt + 3, n - 2); return txt; } } int http_parse_querystring(const char *txt_, void (*fn)(const char *name, const char *value)) { - char *t, *txt, *value = NULL, c; + char *o, *t, *txt, *value = NULL, c; if (!txt_) return 0; - t = txt = strdup(txt_); - if (t == NULL) { - printf("Out of memory\n"); - exit(1); - } - while((c=*t) != '\0') { - if (c=='=') { + o = t = txt = xstrdup(txt_); + while ((c=*t) != '\0') { + if (c == '=') { *t = '\0'; - value = t+1; - } else if (c=='+') { + value = t + 1; + } else if (c == '+') { *t = ' '; - } else if (c=='%') { + } else if (c == '%') { t = convert_query_hexchar(t); - } else if (c=='&') { + } else if (c == '&') { *t = '\0'; (*fn)(txt, value); - txt = t+1; + txt = t + 1; value = NULL; } t++; } - if (t!=txt) + if (t != txt) (*fn)(txt, value); + free(o); return 0; }