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authorHenrik Rydberg <rydberg@euromail.se>2011-10-08 20:30:28 +0200
committerHenrik Rydberg <rydberg@euromail.se>2011-10-08 20:30:28 +0200
commit5df79c53745fde5d6c3340a2979b1429cd5892c1 (patch)
tree1a81af141708b826e9c61e8a04019994fcca8298 /src/mt/stringref.cc
Initial import of htcd system 1.0
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Diffstat (limited to 'src/mt/stringref.cc')
-rw-r--r--src/mt/stringref.cc126
1 files changed, 126 insertions, 0 deletions
diff --git a/src/mt/stringref.cc b/src/mt/stringref.cc
new file mode 100644
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1/*************************************************************************
2 *
3 * HTCd - Copyright (C) 1998-2006 Henrik Rydberg
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18 */
19
20#include <mt/stringref.h>
21#include <unistd.h>
22#include <fcntl.h>
23
24extern "C" {
25 int cfind_(const char* s,const int& sn,const char& c);
26 int crfind_(const char* s,const int& sn,const char& c);
27 int sfind_(const char* s,const int& sn,const char* c,const int& cn);
28 int srfind_(const char* s,const int& sn,const char* c,const int& cn);
29 int sfindtab_(const char* s,const int& sn,const char* c,const int& cn,const char* tab);
30 int srfindtab_(const char* s,const int& sn,const char* c,const int& cn,const char* tab);
31 int scomptab_(const char* s,const char* c,const int& n,const char* tab);
32 void sconvert_(char* s,const int& sn,const char* tab);
33 int find_of__(const char* s,const int& sn,const char* set);
34 int rfind_of__(const char* s,const int& sn,const char* set);
35 int find_not_of__(const char* s,const int& sn,const char* set);
36 int rfind_not_of__(const char* s,const int& sn,const char* set);
37 int skip_parentesis__(const char* s,const int& sn,
38 const char& left,const char& right,const char& esc);
39 int strip_(char* s,const char* c,const int& cn,const char& esc);
40}
41
42////////////////////////////////////////////////////
43
44char* sref::copyto(char* buf,int max) const {
45 if(!dim) buf[0]=0;
46 else if(dim<max) ((char*)memcpy(buf,map,dim))[dim]=0;
47 else ((char*)memcpy(buf,map,max-1))[max-1]=0;
48 return buf;
49}
50
51int sref::compare(const sref& s,const charmap& tab) const {
52 int c; if(map==s.map) return dim-s.dim;
53 else return (c=scomptab_(map,s.map,dim<s.dim?dim:s.dim,tab.map))?c:dim-s.dim;
54}
55
56////////////////////////////////////////////////////
57
58void sref::tolower() { sconvert_(map,dim,cset_lcase.map); }
59void sref::toupper() { sconvert_(map,dim,cset_ucase.map); }
60void sref::tosim(const charmap& s) { sconvert_(map,dim,s.map); }
61
62////////////////////////////////////////////////////
63
64sref sref::operator()(int pos,int n) const {
65 if(pos<0) { pos+=dim; if(pos<0) pos=0; }
66 if(pos>=dim) return sref(map+dim,0);
67 else {
68 if(n<0) { n+=dim+1; if(n<0) n=0; }
69 if(n>=dim-pos) return sref(map+pos,dim-pos);
70 else return sref(map+pos,n);
71 }
72}
73
74sref sref::left(int n) const {
75 if(n<0) { n+=dim+1; if(n<0) n=0; }
76 if(n>dim) return sref(map,dim);
77 else return sref(map,n);
78}
79sref sref::leftand(int n,int m) const {
80 if(n<0) { n+=dim+1; if(n<0) n=0; }
81 if((n+=m)>dim) return sref(map,dim);
82 else return sref(map,n);
83}
84sref sref::right(int n) const {
85 if(n<0) { n+=dim+1; if(n<0) n=0; }
86 if(n>dim) return sref(map+dim,0);
87 else return sref(map+n,dim-n);
88}
89sref sref::past(int n,int m) const {
90 if(n<0) { n+=dim+1; if(n<0) n=0; }
91 if((n+=m)>dim) return sref(map+dim,0);
92 else return sref(map+n,dim-n);
93}
94
95////////////////////////////////////////////////////////////////
96
97int sref::find(char c) const { return cfind_(map,dim,c); }
98int sref::rfind(char c) const { return crfind_(map,dim,c); }
99int sref::find(const sref& s) const { return sfind_(map,dim,s.map,s.dim); }
100int sref::rfind(const sref& s) const { return srfind_(map,dim,s.map,s.dim); }
101int sref::find(const sref& s,const charmap& tab) const {
102 return sfindtab_(map,dim,s.map,s.dim,tab.map);
103}
104int sref::rfind(const sref& s,const charmap& tab) const {
105 return srfindtab_(map,dim,s.map,s.dim,tab.map);
106}
107
108int sref::find_of(const charset& s) const { return find_of__(map,dim,s.map); }
109int sref::rfind_of(const charset& s) const { return rfind_of__(map,dim,s.map); }
110int sref::find_not_of(const charset& s) const { return find_not_of__(map,dim,s.map); }
111int sref::rfind_not_of(const charset& s) const { return rfind_not_of__(map,dim,s.map); }
112
113int sref::skip(const bracket& bra) const {
114 return skip_parentesis__(map,dim,bra.left,bra.right,bra.esc);
115}
116
117////////////////////////////////////////////////////////////////
118
119int sref::save(const sref& s,int prot) const {
120 sref_t path; s.copyto(path);
121 int fd=open(path,O_WRONLY|O_CREAT,prot);
122 if(fd<0) return -1;
123 write(fd,map,dim);
124 close(fd);
125 return dim;
126}