Diffstat (limited to 'html.c')
| -rw-r--r-- | html.c | 309 |
1 files changed, 66 insertions, 243 deletions
@@ -1,50 +1,12 @@ /* html.c: helper functions for html output * - * Copyright (C) 2006-2014 cgit Development Team <cgit@lists.zx2c4.com> + * Copyright (C) 2006 Lars Hjemli * * Licensed under GNU General Public License v2 * (see COPYING for full license text) */ #include "cgit.h" -#include "html.h" -#include "url.h" - -/* Percent-encoding of each character, except: a-zA-Z0-9!$()*,./:;@- */ -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", - "%20", NULL, "%22", "%23", NULL, "%25", "%26", "%27", - NULL, NULL, NULL, "%2b", NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, "%3c", "%3d", "%3e", "%3f", - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, "%5c", NULL, "%5e", NULL, - "%60", NULL, NULL, NULL, NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - NULL, NULL, NULL, "%7b", "%7c", "%7d", NULL, "%7f", - "%80", "%81", "%82", "%83", "%84", "%85", "%86", "%87", - "%88", "%89", "%8a", "%8b", "%8c", "%8d", "%8e", "%8f", - "%90", "%91", "%92", "%93", "%94", "%95", "%96", "%97", - "%98", "%99", "%9a", "%9b", "%9c", "%9d", "%9e", "%9f", - "%a0", "%a1", "%a2", "%a3", "%a4", "%a5", "%a6", "%a7", - "%a8", "%a9", "%aa", "%ab", "%ac", "%ad", "%ae", "%af", - "%b0", "%b1", "%b2", "%b3", "%b4", "%b5", "%b6", "%b7", - "%b8", "%b9", "%ba", "%bb", "%bc", "%bd", "%be", "%bf", - "%c0", "%c1", "%c2", "%c3", "%c4", "%c5", "%c6", "%c7", - "%c8", "%c9", "%ca", "%cb", "%cc", "%cd", "%ce", "%cf", - "%d0", "%d1", "%d2", "%d3", "%d4", "%d5", "%d6", "%d7", - "%d8", "%d9", "%da", "%db", "%dc", "%dd", "%de", "%df", - "%e0", "%e1", "%e2", "%e3", "%e4", "%e5", "%e6", "%e7", - "%e8", "%e9", "%ea", "%eb", "%ec", "%ed", "%ee", "%ef", - "%f0", "%f1", "%f2", "%f3", "%f4", "%f5", "%f6", "%f7", - "%f8", "%f9", "%fa", "%fb", "%fc", "%fd", "%fe", "%ff" -}; char *fmt(const char *format, ...) { @@ -59,204 +21,103 @@ 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])) { - fprintf(stderr, "[html.c] string truncated: %s\n", format); - exit(1); - } + if (len>sizeof(buf[bufidx])) + die("[html.c] string truncated: %s", format); 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) -{ - if (write(STDOUT_FILENO, data, size) != size) - die_errno("write error on html output"); -} - void html(const char *txt) { - html_raw(txt, strlen(txt)); + write(htmlfd, 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); + vsnprintf(buf, sizeof(buf), format, args); va_end(args); - html(buf.buf); - strbuf_release(&buf); + html(buf); } -void html_txtf(const char *format, ...) +void html_txt(char *txt) { - va_list args; - - va_start(args, format); - html_vtxtf(format, args); - va_end(args); -} - -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_txt(const char *txt) -{ - if (txt) - html_ntxt(txt, strlen(txt)); -} - -ssize_t html_ntxt(const char *txt, size_t len) -{ - const char *t = txt; - ssize_t slen; - - if (len > SSIZE_MAX) - return -1; - - slen = (ssize_t) len; - while (t && *t && slen--) { + char *t = txt; + while(t && *t){ int c = *t; - if (c == '<' || c == '>' || c == '&') { - html_raw(txt, t - txt); - if (c == '>') + if (c=='<' || c=='>' || c=='&') { + *t = '\0'; + html(txt); + *t = 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) - html_raw(txt, t - txt); - return slen; -} - -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); + if (t!=txt) + html(txt); } -void html_attr(const char *txt) +void html_ntxt(int len, char *txt) { - const char *t = txt; - while (t && *t) { + char *t = txt; + while(t && *t && len--){ int c = *t; - if (c == '<' || c == '>' || c == '\'' || c == '\"' || c == '&') { - html_raw(txt, t - txt); - if (c == '>') + if (c=='<' || c=='>' || c=='&') { + *t = '\0'; + html(txt); + *t = c; + if (c=='>') html(">"); - else if (c == '<') + else if (c=='<') html("<"); - else if (c == '\'') - html("'"); - else if (c == '"') - html("""); - else if (c == '&') + else if (c=='&') html("&"); - txt = t + 1; + txt = t+1; } t++; } - if (t != txt) + if (t!=txt) { + char c = *t; + *t = '\0'; html(txt); -} - -void html_url_path(const char *txt) -{ - const char *t = txt; - while (t && *t) { - unsigned char c = *t; - const char *e = url_escape_table[c]; - if (e && c != '+' && c != '&') { - html_raw(txt, t - txt); - html(e); - txt = t + 1; - } - t++; + *t = c; } - if (t != txt) - html(txt); + if (len<0) + html("..."); } -void html_url_arg(const char *txt) +void html_attr(char *txt) { - const char *t = txt; - 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(e); - txt = t + 1; - } - t++; - } - if (t != txt) - html(txt); -} - -void html_header_arg_in_quotes(const char *txt) -{ - const char *t = txt; - while (t && *t) { - unsigned char c = *t; - const char *e = NULL; - if (c == '\\') - e = "\\\\"; - else if (c == '\r') - e = "\\r"; - else if (c == '\n') - e = "\\n"; - else if (c == '"') - e = "\\\""; - if (e) { - html_raw(txt, t - txt); - html(e); - txt = t + 1; + char *t = txt; + while(t && *t){ + int c = *t; + if (c=='<' || c=='>' || c=='\'') { + *t = '\0'; + html(txt); + *t = c; + if (c=='>') + html(">"); + else if (c=='<') + html("<"); + else if (c=='\'') + html(""e;"); + txt = t+1; } t++; } - if (t != txt) + if (t!=txt) html(txt); - } -void html_hidden(const char *name, const char *value) +void html_hidden(char *name, char *value) { html("<input type='hidden' name='"); html_attr(name); @@ -265,27 +126,7 @@ void html_hidden(const char *name, const char *value) html("'/>"); } -void html_option(const char *value, const char *text, const char *selected_value) -{ - html("<option value='"); - html_attr(value); - html("'"); - if (selected_value && !strcmp(selected_value, value)) - html(" selected='selected'"); - html(">"); - html_txt(text); - html("</option>\n"); -} - -void html_intoption(int value, const char *text, int selected_value) -{ - htmlf("<option value='%d'%s>", value, - value == selected_value ? " selected='selected'" : ""); - html_txt(text); - html("</option>"); -} - -void html_link_open(const char *url, const char *title, const char *class) +void html_link_open(char *url, char *title, char *class) { html("<a href='"); html_attr(url); @@ -307,38 +148,20 @@ void html_link_close(void) void html_fileperm(unsigned short mode) { - htmlf("%c%c%c", (mode & 4 ? 'r' : '-'), + htmlf("%c%c%c", (mode & 4 ? 'r' : '-'), (mode & 2 ? 'w' : '-'), (mode & 1 ? 'x' : '-')); } -int html_include(const char *filename) +void html_filemode(unsigned short mode) { - FILE *f; - char buf[4096]; - size_t len; - - if (!(f = fopen(filename, "r"))) { - fprintf(stderr, "[cgit] Failed to include file %s: %s (%d).\n", - filename, strerror(errno), errno); - return -1; - } - while ((len = fread(buf, 1, 4096, f)) > 0) - html_raw(buf, len); - fclose(f); - return 0; + if (S_ISDIR(mode)) + html("d"); + else if (S_ISLNK(mode)) + html("l"); + else + html("-"); + html_fileperm(mode >> 6); + html_fileperm(mode >> 3); + html_fileperm(mode); } -void http_parse_querystring(const char *txt, void (*fn)(const char *name, const char *value)) -{ - const char *t = txt; - - while (t && *t) { - char *name = url_decode_parameter_name(&t); - if (*name) { - char *value = url_decode_parameter_value(&t); - fn(name, value); - free(value); - } - free(name); - } -} |