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path: root/lib/sitecing_util.cc
authorMichael Krelin <hacker@klever.net>2005-04-25 16:36:32 (UTC)
committer Michael Krelin <hacker@klever.net>2005-04-25 16:36:32 (UTC)
commit981b219f5297ad2ccc1fc1d0e24e41ec009c35a3 (patch) (unidiff)
tree9fa81d7fe70883ad26d946c902ba06edcebd4516 /lib/sitecing_util.cc
parent54e344b7e3623e807b893b7febad3adfc6c1648f (diff)
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moved a few utility functions to konforka and bumped konforka version requirement accordingly
Diffstat (limited to 'lib/sitecing_util.cc') (more/less context) (ignore whitespace changes)
-rw-r--r--lib/sitecing_util.cc117
1 files changed, 0 insertions, 117 deletions
diff --git a/lib/sitecing_util.cc b/lib/sitecing_util.cc
index f892a60..f1432df 100644
--- a/lib/sitecing_util.cc
+++ b/lib/sitecing_util.cc
@@ -20,41 +20,6 @@ namespace sitecing {
20 * XXX: all of these utilities could be sheerly optimized. 20 * XXX: all of these utilities could be sheerly optimized.
21 */ 21 */
22 22
23 string normalize_path(const string& path,int opts) {
24 const char *s = path.c_str();
25 string rv;
26 string::size_type notslash = 0;
27 if( (*s)=='.' && s[1]=='/' )
28 s+=2;
29 if(opts&strip_leading_slash)
30 for(;(*s) && (*s)=='/';s++);
31 for(;*s;s++) {
32 if( (*s)=='/' ) {
33 if(s[1]=='/')
34 continue;
35 if(s[1]=='.' && s[2]=='/') {
36 s+=2;
37 continue;
38 }
39 }
40 if(opts&restrict_dotdot) {
41 if(
42 ( rv.empty() && s[0]=='.' && s[1]=='.' && s[2]=='/' )// "^../"
43 || ( s[0]=='/' && s[1]=='.' && s[2]=='.' && (s[3]==0 || s[3]=='/') ) // "/..(/|$)"
44 )
45 throw utility_restricted_sequence(CODEPOINT,"restricted updir sequence encountered");
46 }
47 rv += *s;
48 if( (*s) != '/' )
49 notslash=rv.length();
50 }
51 if(!(opts&strip_trailing_slash))
52 notslash++;
53 if(notslash<rv.length())
54 rv.erase(notslash); // XXX: check the logic of stripping/not strippling trailing slash
55 return rv;
56 }
57
58 string strip_prefix(const string& str,const string& prefix) { 23 string strip_prefix(const string& str,const string& prefix) {
59 if( (str.length()<prefix.length()) || str.compare(0,prefix.length(),prefix)) 24 if( (str.length()<prefix.length()) || str.compare(0,prefix.length(),prefix))
60 throw utility_no_prefix(CODEPOINT,"no such prefix"); 25 throw utility_no_prefix(CODEPOINT,"no such prefix");
@@ -67,33 +32,6 @@ namespace sitecing {
67 return str.substr(0,str.length()-suffix.length()); 32 return str.substr(0,str.length()-suffix.length());
68 } 33 }
69 34
70 string dir_name(const string& filename) {
71 string::size_type sl = filename.find_last_of('/');
72 if(sl==string::npos)
73 return ""; // no slashes -- no dir.
74 string::size_type nosl = filename.find_last_not_of('/',sl);
75 if(nosl==string::npos)
76 return ""; // only slashes -- no dir. XXX: only slashes after the last slash... does it mean no dir?
77 return filename.substr(0,nosl+1);
78 }
79
80 void make_path(const string& path,mode_t mode) {
81 struct stat st;
82 for(string::size_type sl=0;sl!=string::npos;sl=path.find('/',sl+1)) {
83 if(!sl)
84 continue;
85 string p = path.substr(0,sl);
86 if(stat(p.c_str(),&st) || !S_ISDIR(st.st_mode)) {
87 if(mkdir(p.c_str(),mode))
88 throw konforka::exception(CODEPOINT,"failed to mkdir()");
89 }
90 }
91 if(stat(path.c_str(),&st) || !S_ISDIR(st.st_mode)) {
92 if(mkdir(path.c_str(),mode))
93 throw konforka::exception(CODEPOINT,"failed to mkdir()");
94 }
95 }
96
97 void file_lock::lock(const string& f) { 35 void file_lock::lock(const string& f) {
98 unlock(); 36 unlock();
99 fd = open(f.c_str(),O_CREAT|O_RDWR,S_IRUSR|S_IWUSR); 37 fd = open(f.c_str(),O_CREAT|O_RDWR,S_IRUSR|S_IWUSR);
@@ -204,61 +142,6 @@ namespace sitecing {
204 locked=false; 142 locked=false;
205 } 143 }
206 144
207 string combine_path(const string& origin,const string& relative,int opts) {
208 string r = normalize_path(relative,0);
209 string rv;
210 // XXX: what to do if relative is empty is a question, really.
211 if(r.empty()) {
212 return normalize_path( (opts&origin_is_file)?dir_name(origin):origin ,strip_leading_slash|restrict_dotdot|strip_trailing_slash);
213 }else{
214 if(r[0]=='/') {
215 r.erase(0,1);
216 }else{
217 rv = normalize_path((opts&origin_is_file)?dir_name(origin):origin,restrict_dotdot|strip_trailing_slash);
218 }
219 }
220 string::size_type lsl = rv.rfind('/');
221 for(string::size_type sl=r.find('/');sl!=string::npos;sl=r.find('/')) {
222 assert(sl!=0);
223 if(sl==1 && r[0]=='.') {
224 // it's a "./"
225 r.erase(0,2);
226 }else if(sl==2 && r[0]=='.' && r[1]=='.') {
227 // we have a "../"
228 if(lsl==string::npos) {
229 if(rv.empty() && (opts&fail_beyond_root))
230 throw utility_beyond_root(CODEPOINT,"went beyond root while combining path");
231 rv.clear();
232 }else{
233 rv.erase(lsl);
234 lsl = rv.rfind('/');
235 }
236 r.erase(0,3);
237 }else{
238 // we have a "something/"
239 lsl = rv.length();
240 rv += '/';
241 rv += r.substr(0,sl);
242 r.erase(0,sl+1);
243 }
244 }
245 if(r.empty())
246 return rv+'/';
247 if(r.length()==2 && r[0]=='.' && r[0]=='.') {
248 if(lsl==string::npos) {
249 if(rv.empty() & (opts&fail_beyond_root))
250 throw utility_beyond_root(CODEPOINT,"went beyond root while combining path");
251 return "/";
252 }else{
253 rv.erase(lsl+1);
254 return rv;
255 }
256 }
257 rv += '/';
258 rv += r;
259 return rv;
260 }
261
262 void auto_chdir::pushdir(const string& td,bool ap) { 145 void auto_chdir::pushdir(const string& td,bool ap) {
263 /* TODO: make use of fchdir(2) instead */ 146 /* TODO: make use of fchdir(2) instead */
264 char *tmp = getcwd(0,0); 147 char *tmp = getcwd(0,0);