#include <apt-pkg/error.h>
#include <apt-pkg/strutl.h>
#include <apt-pkg/fileutl.h>
-
+#include <apt-pkg/macros.h>
+
+#include <ctype.h>
+#include <regex.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <algorithm>
+#include <string>
#include <vector>
#include <fstream>
-#include <iostream>
#include <apti18n.h>
}
Configuration::Configuration(const Item *Root) : Root((Item *)Root), ToFree(false)
{
-};
-
+}
/*}}}*/
// Configuration::~Configuration - Destructor /*{{{*/
// ---------------------------------------------------------------------
string Configuration::FindFile(const char *Name,const char *Default) const
{
const Item *RootItem = Lookup("RootDir");
- std::string rootDir = (RootItem == 0) ? "" : RootItem->Value;
- if(rootDir.size() > 0 && rootDir[rootDir.size() - 1] != '/')
- rootDir.push_back('/');
+ std::string result = (RootItem == 0) ? "" : RootItem->Value;
+ if(result.empty() == false && result[result.size() - 1] != '/')
+ result.push_back('/');
const Item *Itm = Lookup(Name);
if (Itm == 0 || Itm->Value.empty() == true)
{
- if (Default == 0)
- return rootDir;
- else
- return rootDir + Default;
+ if (Default != 0)
+ result.append(Default);
}
-
- string val = Itm->Value;
- while (Itm->Parent != 0 && Itm->Parent->Value.empty() == false)
- {
- // Absolute
- if (val.length() >= 1 && val[0] == '/')
- break;
-
- // ~/foo or ./foo
- if (val.length() >= 2 && (val[0] == '~' || val[0] == '.') && val[1] == '/')
- break;
-
- // ../foo
- if (val.length() >= 3 && val[0] == '.' && val[1] == '.' && val[2] == '/')
- break;
-
- if (Itm->Parent->Value.end()[-1] != '/')
- val.insert(0, "/");
+ else
+ {
+ string val = Itm->Value;
+ while (Itm->Parent != 0)
+ {
+ if (Itm->Parent->Value.empty() == true)
+ {
+ Itm = Itm->Parent;
+ continue;
+ }
+
+ // Absolute
+ if (val.length() >= 1 && val[0] == '/')
+ {
+ if (val.compare(0, 9, "/dev/null") == 0)
+ val.erase(9);
+ break;
+ }
- val.insert(0, Itm->Parent->Value);
- Itm = Itm->Parent;
+ // ~/foo or ./foo
+ if (val.length() >= 2 && (val[0] == '~' || val[0] == '.') && val[1] == '/')
+ break;
+
+ // ../foo
+ if (val.length() >= 3 && val[0] == '.' && val[1] == '.' && val[2] == '/')
+ break;
+
+ if (Itm->Parent->Value.end()[-1] != '/')
+ val.insert(0, "/");
+
+ val.insert(0, Itm->Parent->Value);
+ Itm = Itm->Parent;
+ }
+ result.append(val);
}
- return rootDir + val;
+ // do some normalisation by removing // and /./ from the path
+ size_t found = string::npos;
+ while ((found = result.find("/./")) != string::npos)
+ result.replace(found, 3, "/");
+ while ((found = result.find("//")) != string::npos)
+ result.replace(found, 2, "/");
+
+ return result;
}
/*}}}*/
// Configuration::FindDir - Find a directory name /*{{{*/
{
string Res = FindFile(Name,Default);
if (Res.end()[-1] != '/')
+ {
+ size_t const found = Res.rfind("/dev/null");
+ if (found != string::npos && found == Res.size() - 9)
+ return Res; // /dev/null returning
return Res + '/';
+ }
return Res;
}
/*}}}*/
// Configuration::FindVector - Find a vector of values /*{{{*/
// ---------------------------------------------------------------------
/* Returns a vector of config values under the given item */
+#if APT_PKG_ABI < 413
vector<string> Configuration::FindVector(const char *Name) const
+{
+ return FindVector(Name, "");
+}
+#endif
+vector<string> Configuration::FindVector(const char *Name, std::string const &Default) const
{
vector<string> Vec;
const Item *Top = Lookup(Name);
if (Top == NULL)
- return Vec;
+ return VectorizeString(Default, ',');
+
+ if (Top->Value.empty() == false)
+ return VectorizeString(Top->Value, ',');
Item *I = Top->Child;
while(I != NULL)
Vec.push_back(I->Value);
I = I->Next;
}
+ if (Vec.empty() == true)
+ return VectorizeString(Default, ',');
+
return Vec;
}
/*}}}*/
}
}
+}
+ /*}}}*/
+// Configuration::Clear - Clear everything /*{{{*/
+// ---------------------------------------------------------------------
+void Configuration::Clear()
+{
+ const Configuration::Item *Top = Tree(0);
+ while( Top != 0 )
+ {
+ Clear(Top->FullTag());
+ Top = Top->Next;
+ }
}
/*}}}*/
// Configuration::Clear - Clear an entire tree /*{{{*/
/* Dump the entire configuration space */
void Configuration::Dump(ostream& str)
{
- /* Write out all of the configuration directives by walking the
+ Dump(str, NULL, "%f \"%v\";\n", true);
+}
+void Configuration::Dump(ostream& str, char const * const root,
+ char const * const formatstr, bool const emptyValue)
+{
+ const Configuration::Item* Top = Tree(root);
+ if (Top == 0)
+ return;
+ const Configuration::Item* const Root = (root == NULL) ? NULL : Top;
+ std::vector<std::string> const format = VectorizeString(formatstr, '%');
+
+ /* Write out all of the configuration directives by walking the
configuration tree */
- const Configuration::Item *Top = Tree(0);
- for (; Top != 0;)
- {
- str << Top->FullTag() << " \"" << Top->Value << "\";" << endl;
-
+ do {
+ if (emptyValue == true || Top->Value.empty() == emptyValue)
+ {
+ std::vector<std::string>::const_iterator f = format.begin();
+ str << *f;
+ for (++f; f != format.end(); ++f)
+ {
+ if (f->empty() == true)
+ {
+ ++f;
+ str << '%' << *f;
+ continue;
+ }
+ char const type = (*f)[0];
+ if (type == 'f')
+ str << Top->FullTag();
+ else if (type == 't')
+ str << Top->Tag;
+ else if (type == 'v')
+ str << Top->Value;
+ else if (type == 'F')
+ str << QuoteString(Top->FullTag(), "=\"\n");
+ else if (type == 'T')
+ str << QuoteString(Top->Tag, "=\"\n");
+ else if (type == 'V')
+ str << QuoteString(Top->Value, "=\"\n");
+ else if (type == 'n')
+ str << "\n";
+ else if (type == 'N')
+ str << "\t";
+ else
+ str << '%' << type;
+ str << f->c_str() + 1;
+ }
+ }
+
if (Top->Child != 0)
{
Top = Top->Child;
continue;
}
-
+
while (Top != 0 && Top->Next == 0)
Top = Top->Parent;
if (Top != 0)
Top = Top->Next;
- }
+
+ if (Root != NULL)
+ {
+ const Configuration::Item* I = Top;
+ while(I != 0)
+ {
+ if (I == Root)
+ break;
+ else
+ I = I->Parent;
+ }
+ if (I == 0)
+ break;
+ }
+ } while (Top != 0);
}
/*}}}*/
tag/value. AsSectional enables Sectional parsing.*/
bool ReadConfigFile(Configuration &Conf,const string &FName,bool const &AsSectional,
unsigned const &Depth)
-{
+{
// Open the stream for reading
- ifstream F(FName.c_str(),ios::in);
- if (!F != 0)
+ ifstream F(FName.c_str(),ios::in);
+ if (F.fail() == true)
return _error->Errno("ifstream::ifstream",_("Opening configuration file %s"),FName.c_str());
string LineBuffer;
string Stack[100];
unsigned int StackPos = 0;
-
+
// Parser state
string ParentTag;
-
+
int CurLine = 0;
bool InComment = false;
while (F.eof() == false)
// Go down a level
if (TermChar == '{')
{
- if (StackPos <= 100)
+ if (StackPos < sizeof(Stack)/sizeof(std::string))
Stack[StackPos++] = ParentTag;
/* Make sectional tags incorperate the section into the
continue;
}
}
- if (strings.size() == 0)
+ if (strings.empty() == true)
patterns.push_back(NULL);
}
/*}}}*/
projects / apt.git / blobdiff