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Merge branch 'html-updates' of git://github.com/MarkLodato/cgit

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This commit is contained in:
Lars Hjemli 2010-02-27 13:20:27 +01:00
commit 067c180435
2 changed files with 58 additions and 30 deletions
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70
html.c
View File

@ -13,6 +13,32 @@
#include <string.h> #include <string.h>
#include <errno.h> #include <errno.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", 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,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "%7b",
"%7c", "%7d", 0, "%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"
};
int htmlfd = STDOUT_FILENO; int htmlfd = STDOUT_FILENO;
char *fmt(const char *format, ...) char *fmt(const char *format, ...)
@ -63,9 +89,9 @@ void html_status(int code, const char *msg, int more_headers)
html("\n"); html("\n");
} }
void html_txt(char *txt) void html_txt(const char *txt)
{ {
char *t = txt; const char *t = txt;
while(t && *t){ while(t && *t){
int c = *t; int c = *t;
if (c=='<' || c=='>' || c=='&') { if (c=='<' || c=='>' || c=='&') {
@ -84,9 +110,9 @@ void html_txt(char *txt)
html(txt); html(txt);
} }
void html_ntxt(int len, char *txt) void html_ntxt(int len, const char *txt)
{ {
char *t = txt; const char *t = txt;
while(t && *t && len--){ while(t && *t && len--){
int c = *t; int c = *t;
if (c=='<' || c=='>' || c=='&') { if (c=='<' || c=='>' || c=='&') {
@ -107,9 +133,9 @@ void html_ntxt(int len, char *txt)
html("..."); html("...");
} }
void html_attr(char *txt) void html_attr(const char *txt)
{ {
char *t = txt; const char *t = txt;
while(t && *t){ while(t && *t){
int c = *t; int c = *t;
if (c=='<' || c=='>' || c=='\'' || c=='\"') { if (c=='<' || c=='>' || c=='\'' || c=='\"') {
@ -130,14 +156,15 @@ void html_attr(char *txt)
html(txt); html(txt);
} }
void html_url_path(char *txt) void html_url_path(const char *txt)
{ {
char *t = txt; const char *t = txt;
while(t && *t){ while(t && *t){
int c = *t; int c = *t;
if (c=='"' || c=='#' || c=='\'' || c=='?') { const char *e = url_escape_table[c];
if (e && c!='+' && c!='&' && c!='+') {
write(htmlfd, txt, t - txt); write(htmlfd, txt, t - txt);
write(htmlfd, fmt("%%%2x", c), 3); write(htmlfd, e, 3);
txt = t+1; txt = t+1;
} }
t++; t++;
@ -146,14 +173,15 @@ void html_url_path(char *txt)
html(txt); html(txt);
} }
void html_url_arg(char *txt) void html_url_arg(const char *txt)
{ {
char *t = txt; const char *t = txt;
while(t && *t){ while(t && *t){
int c = *t; int c = *t;
if (c=='"' || c=='#' || c=='%' || c=='&' || c=='\'' || c=='+' || c=='?') { const char *e = url_escape_table[c];
if (e) {
write(htmlfd, txt, t - txt); write(htmlfd, txt, t - txt);
write(htmlfd, fmt("%%%2x", c), 3); write(htmlfd, e, 3);
txt = t+1; txt = t+1;
} }
t++; t++;
@ -162,7 +190,7 @@ void html_url_arg(char *txt)
html(txt); html(txt);
} }
void html_hidden(char *name, char *value) void html_hidden(const char *name, const char *value)
{ {
html("<input type='hidden' name='"); html("<input type='hidden' name='");
html_attr(name); html_attr(name);
@ -171,7 +199,7 @@ void html_hidden(char *name, char *value)
html("'/>"); html("'/>");
} }
void html_option(char *value, char *text, char *selected_value) void html_option(const char *value, const char *text, const char *selected_value)
{ {
html("<option value='"); html("<option value='");
html_attr(value); html_attr(value);
@ -183,7 +211,7 @@ void html_option(char *value, char *text, char *selected_value)
html("</option>\n"); html("</option>\n");
} }
void html_link_open(char *url, char *title, char *class) void html_link_open(const char *url, const char *title, const char *class)
{ {
html("<a href='"); html("<a href='");
html_attr(url); html_attr(url);
@ -257,14 +285,14 @@ char *convert_query_hexchar(char *txt)
} }
} }
int http_parse_querystring(char *txt, void (*fn)(const char *name, const char *value)) int http_parse_querystring(const char *txt_, void (*fn)(const char *name, const char *value))
{ {
char *t, *value = NULL, c; char *t, *txt, *value = NULL, c;
if (!txt) if (!txt_)
return 0; return 0;
t = txt = strdup(txt); t = txt = strdup(txt_);
if (t == NULL) { if (t == NULL) {
printf("Out of memory\n"); printf("Out of memory\n");
exit(1); exit(1);

18
html.h
View File

@ -7,18 +7,18 @@ extern void html_raw(const char *txt, size_t size);
extern void html(const char *txt); extern void html(const char *txt);
extern void htmlf(const char *format,...); extern void htmlf(const char *format,...);
extern void html_status(int code, const char *msg, int more_headers); extern void html_status(int code, const char *msg, int more_headers);
extern void html_txt(char *txt); extern void html_txt(const char *txt);
extern void html_ntxt(int len, char *txt); extern void html_ntxt(int len, const char *txt);
extern void html_attr(char *txt); extern void html_attr(const char *txt);
extern void html_url_path(char *txt); extern void html_url_path(const char *txt);
extern void html_url_arg(char *txt); extern void html_url_arg(const char *txt);
extern void html_hidden(char *name, char *value); extern void html_hidden(const char *name, const char *value);
extern void html_option(char *value, char *text, char *selected_value); extern void html_option(const char *value, const char *text, const char *selected_value);
extern void html_link_open(char *url, char *title, char *class); extern void html_link_open(const char *url, const char *title, const char *class);
extern void html_link_close(void); extern void html_link_close(void);
extern void html_fileperm(unsigned short mode); extern void html_fileperm(unsigned short mode);
extern int html_include(const char *filename); extern int html_include(const char *filename);
extern int http_parse_querystring(char *txt, void (*fn)(const char *name, const char *value)); extern int http_parse_querystring(const char *txt, void (*fn)(const char *name, const char *value));
#endif /* HTML_H */ #endif /* HTML_H */