// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: strutl.cc,v 1.2 1998/07/16 06:08:41 jgg Exp $
+// $Id: strutl.cc,v 1.5 1998/10/20 02:39:30 jgg Exp $
/* ######################################################################
String Util - Some usefull string functions.
// ---------------------------------------------------------------------
/* This grabs a single word, converts any % escaped characters to their
proper values and advances the pointer. Double quotes are understood
- and striped out as well. */
+ and striped out as well. This is for URI/URL parsing. */
bool ParseQuoteWord(const char *&String,string &Res)
{
// Skip leading whitespace
return true;
}
/*}}}*/
+// ParseCWord - Parses a string like a C "" expression /*{{{*/
+// ---------------------------------------------------------------------
+/* This expects a series of space seperated strings enclosed in ""'s.
+ It concatenates the ""'s into a single string. */
+bool ParseCWord(const char *String,string &Res)
+{
+ // Skip leading whitespace
+ const char *C = String;
+ for (;*C != 0 && *C == ' '; C++);
+ if (*C == 0)
+ return false;
+
+ char Buffer[1024];
+ char *Buf = Buffer;
+ if (strlen(String) >= sizeof(Buffer))
+ return false;
+
+ for (; *C != 0; C++)
+ {
+ if (*C == '"')
+ {
+ for (C++; *C != 0 && *C != '"'; C++)
+ *Buf++ = *C;
+
+ if (*C == 0)
+ return false;
+
+ continue;
+ }
+
+ if (C != String && isspace(*C) != 0 && isspace(C[-1]) != 0)
+ continue;
+ if (isspace(*C) == 0)
+ return false;
+ *Buf++ = ' ';
+ }
+ *Buf = 0;
+ Res = Buffer;
+ return true;
+}
+ /*}}}*/
// QuoteString - Convert a string into quoted from /*{{{*/
// ---------------------------------------------------------------------
/* */
return Temp + string(Str,OldPos);
}
/*}}}*/
+// URItoFileName - Convert the uri into a unique file name /*{{{*/
+// ---------------------------------------------------------------------
+/* This converts a URI into a safe filename. It quotes all unsafe characters
+ and converts / to _ and removes the scheme identifier. The resulting
+ file name should be unique and never occur again for a different file */
+string URItoFileName(string URI)
+{
+ string::const_iterator I = URI.begin() + URI.find(':') + 1;
+ for (; I < URI.end() && *I == '/'; I++);
+
+ // "\x00-\x20{}|\\\\^\\[\\]<>\"\x7F-\xFF";
+ URI = QuoteString(string(I,URI.end() - I),"\\|{}[]<>\"^~_=!@#$%^&*");
+ string::iterator J = URI.begin();
+ for (; J != URI.end(); J++)
+ if (*J == '/')
+ *J = '_';
+ 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
for (; A != AEnd && B != BEnd; A++, B++)
if (toupper(*A) != toupper(*B))
break;
-
+
if (A == AEnd && B == BEnd)
return 0;
if (A == AEnd)
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;
+}
+ /*}}}*/
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