diff options
Diffstat (limited to 'apt-pkg/contrib/strutl.cc')
| -rw-r--r-- | apt-pkg/contrib/strutl.cc | 75 |
1 files changed, 73 insertions, 2 deletions
diff --git a/apt-pkg/contrib/strutl.cc b/apt-pkg/contrib/strutl.cc index 5a61f269c..c615f6229 100644 --- a/apt-pkg/contrib/strutl.cc +++ b/apt-pkg/contrib/strutl.cc @@ -1,6 +1,6 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: strutl.cc,v 1.4 1998/09/22 05:30:28 jgg Exp $ +// $Id: strutl.cc,v 1.5 1998/10/20 02:39:30 jgg Exp $ /* ###################################################################### String Util - Some usefull string functions. @@ -303,6 +303,17 @@ string URItoFileName(string URI) return URI; } /*}}}*/ +// URIAccess - Return the access method for the URI /*{{{*/ +// --------------------------------------------------------------------- +/* */ +string URIAccess(string URI) +{ + string::size_type Pos = URI.find(':'); + if (Pos == string::npos) + return string(); + return string(URI,0,Pos); +} + /*}}}*/ // Base64Encode - Base64 Encoding routine for short strings /*{{{*/ // --------------------------------------------------------------------- /* This routine performs a base64 transformation on a string. It was ripped @@ -389,7 +400,7 @@ int stringcasecmp(const char *A,const char *AEnd,const char *B,const char *BEnd) for (; A != AEnd && B != BEnd; A++, B++) if (toupper(*A) != toupper(*B)) break; - + if (A == AEnd && B == BEnd) return 0; if (A == AEnd) @@ -401,3 +412,63 @@ int stringcasecmp(const char *A,const char *AEnd,const char *B,const char *BEnd) return 1; } /*}}}*/ +// LookupTag - Lookup the value of a tag in a taged string /*{{{*/ +// --------------------------------------------------------------------- +/* The format is like those used in package files and the method + communication system */ +string LookupTag(string Message,const char *Tag,const char *Default) +{ + // Look for a matching tag. + int Length = strlen(Tag); + for (string::iterator I = Message.begin(); I + Length < Message.end(); I++) + { + // Found the tag + if (I[Length] == ':' && stringcasecmp(I,I+Length,Tag) == 0) + { + // Find the end of line and strip the leading/trailing spaces + string::iterator J; + I += Length + 1; + for (; isspace(*I) != 0 && I < Message.end(); I++); + for (J = I; *J != '\n' && J < Message.end(); J++); + for (; J > I && isspace(J[-1]) != 0; J--); + + return string(I,J-I); + } + + for (; *I != '\n' && I < Message.end(); I++); + } + + // Failed to find a match + if (Default == 0) + return string(); + return Default; +} + /*}}}*/ +// StringToBool - Converts a string into a boolean /*{{{*/ +// --------------------------------------------------------------------- +/* This inspects the string to see if it is true or if it is false and + then returns the result. Several varients on true/false are checked. */ +int StringToBool(string Text,int Default = -1) +{ + char *End; + int Res = strtol(Text.c_str(),&End,0); + if (End != Text.c_str() && Res >= 0 && Res <= 1) + return Res; + + // Check for positives + if (strcasecmp(Text.c_str(),"no") == 0 || + strcasecmp(Text.c_str(),"false") == 0 || + strcasecmp(Text.c_str(),"without") == 0 || + strcasecmp(Text.c_str(),"disable") == 0) + return 0; + + // Check for negatives + if (strcasecmp(Text.c_str(),"yes") == 0 || + strcasecmp(Text.c_str(),"true") == 0 || + strcasecmp(Text.c_str(),"with") == 0 || + strcasecmp(Text.c_str(),"enable") == 0) + return 1; + + return Default; +} + /*}}}*/ |