X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/55fb35e87a1ff550cbb3010c5a03064f0a2b10be..a0e07f3ec885c12c733c12805391646c202f3f31:/apt-pkg/contrib/configuration.cc diff --git a/apt-pkg/contrib/configuration.cc b/apt-pkg/contrib/configuration.cc index 48a5f0bff..0f7b37ee9 100644 --- a/apt-pkg/contrib/configuration.cc +++ b/apt-pkg/contrib/configuration.cc @@ -15,21 +15,18 @@ ##################################################################### */ /*}}}*/ // Include files /*{{{*/ +#include + #include #include #include #include -#include #include -#include #include #include - -#include -#include -#include -#include + +#include using namespace std; /*}}}*/ @@ -85,7 +82,7 @@ Configuration::~Configuration() /* This will lookup a single item by name below another item. It is a helper function for the main lookup function */ Configuration::Item *Configuration::Lookup(Item *Head,const char *S, - unsigned long Len,bool Create) + unsigned long const &Len,bool const &Create) { int Res = 1; Item *I = Head->Child; @@ -118,7 +115,7 @@ Configuration::Item *Configuration::Lookup(Item *Head,const char *S, // --------------------------------------------------------------------- /* This performs a fully scoped lookup of a given name, possibly creating new items */ -Configuration::Item *Configuration::Lookup(const char *Name,bool Create) +Configuration::Item *Configuration::Lookup(const char *Name,bool const &Create) { if (Name == 0) return Root->Child; @@ -223,10 +220,29 @@ string Configuration::FindDir(const char *Name,const char *Default) const return Res; } /*}}}*/ +// Configuration::FindVector - Find a vector of values /*{{{*/ +// --------------------------------------------------------------------- +/* Returns a vector of config values under the given item */ +vector Configuration::FindVector(const char *Name) const +{ + vector Vec; + const Item *Top = Lookup(Name); + if (Top == NULL) + return Vec; + + Item *I = Top->Child; + while(I != NULL) + { + Vec.push_back(I->Value); + I = I->Next; + } + return Vec; +} + /*}}}*/ // Configuration::FindI - Find an integer value /*{{{*/ // --------------------------------------------------------------------- /* */ -int Configuration::FindI(const char *Name,int Default) const +int Configuration::FindI(const char *Name,int const &Default) const { const Item *Itm = Lookup(Name); if (Itm == 0 || Itm->Value.empty() == true) @@ -243,7 +259,7 @@ int Configuration::FindI(const char *Name,int Default) const // Configuration::FindB - Find a boolean type /*{{{*/ // --------------------------------------------------------------------- /* */ -bool Configuration::FindB(const char *Name,bool Default) const +bool Configuration::FindB(const char *Name,bool const &Default) const { const Item *Itm = Lookup(Name); if (Itm == 0 || Itm->Value.empty() == true) @@ -305,6 +321,19 @@ void Configuration::CndSet(const char *Name,const string &Value) Itm->Value = Value; } /*}}}*/ +// Configuration::Set - Set an integer value /*{{{*/ +// --------------------------------------------------------------------- +/* */ +void Configuration::CndSet(const char *Name,int const Value) +{ + Item *Itm = Lookup(Name,true); + if (Itm == 0 || Itm->Value.empty() == false) + return; + char S[300]; + snprintf(S,sizeof(S),"%i",Value); + Itm->Value = S; +} + /*}}}*/ // Configuration::Set - Set a value /*{{{*/ // --------------------------------------------------------------------- /* */ @@ -319,7 +348,7 @@ void Configuration::Set(const char *Name,const string &Value) // Configuration::Set - Set an integer value /*{{{*/ // --------------------------------------------------------------------- /* */ -void Configuration::Set(const char *Name,int Value) +void Configuration::Set(const char *Name,int const &Value) { Item *Itm = Lookup(Name,true); if (Itm == 0) @@ -332,7 +361,7 @@ void Configuration::Set(const char *Name,int Value) // Configuration::Clear - Clear an single value from a list /*{{{*/ // --------------------------------------------------------------------- /* */ -void Configuration::Clear(const string Name, int Value) +void Configuration::Clear(string const &Name, int const &Value) { char S[300]; snprintf(S,sizeof(S),"%i",Value); @@ -342,7 +371,7 @@ void Configuration::Clear(const string Name, int Value) // Configuration::Clear - Clear an single value from a list /*{{{*/ // --------------------------------------------------------------------- /* */ -void Configuration::Clear(const string Name, string Value) +void Configuration::Clear(string const &Name, string const &Value) { Item *Top = Lookup(Name.c_str(),false); if (Top == 0 || Top->Child == 0) @@ -373,7 +402,7 @@ void Configuration::Clear(const string Name, string Value) // Configuration::Clear - Clear an entire tree /*{{{*/ // --------------------------------------------------------------------- /* */ -void Configuration::Clear(string Name) +void Configuration::Clear(string const &Name) { Item *Top = Lookup(Name.c_str(),false); if (Top == 0) @@ -488,8 +517,8 @@ string Configuration::Item::FullTag(const Item *Stop) const sections like 'zone "foo.org" { .. };' This causes each section to be added in with a tag like "zone::foo.org" instead of being split tag/value. AsSectional enables Sectional parsing.*/ -bool ReadConfigFile(Configuration &Conf,const string &FName,bool AsSectional, - unsigned Depth) +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); @@ -582,9 +611,11 @@ bool ReadConfigFile(Configuration &Conf,const string &FName,bool AsSectional, InQuote = !InQuote; if (InQuote == true) continue; - - if ((*I == '/' && I + 1 != End && I[1] == '/') || *I == '#') - { + + if ((*I == '/' && I + 1 != End && I[1] == '/') || + (*I == '#' && strcmp(string(I,I+6).c_str(),"#clear") != 0 && + strcmp(string(I,I+8).c_str(),"#include") != 0)) + { End = I; break; } @@ -644,9 +675,9 @@ bool ReadConfigFile(Configuration &Conf,const string &FName,bool AsSectional, // Put the last fragment into the buffer std::string::const_iterator NonWhitespaceStart = Start; std::string::const_iterator NonWhitespaceStop = I; - for (; NonWhitespaceStart != I && isspace(*NonWhitespaceStart) != 0; NonWhitespaceStart++) + for (; NonWhitespaceStart != I && isspace(*NonWhitespaceStart) != 0; ++NonWhitespaceStart) ; - for (; NonWhitespaceStop != NonWhitespaceStart && isspace(NonWhitespaceStop[-1]) != 0; NonWhitespaceStop--) + for (; NonWhitespaceStop != NonWhitespaceStart && isspace(NonWhitespaceStop[-1]) != 0; --NonWhitespaceStop) ; if (LineBuffer.empty() == false && NonWhitespaceStop - NonWhitespaceStart != 0) LineBuffer += ' '; @@ -758,6 +789,8 @@ bool ReadConfigFile(Configuration &Conf,const string &FName,bool AsSectional, else return _error->Error(_("Syntax error %s:%u: Unsupported directive '%s'"),FName.c_str(),CurLine,Tag.c_str()); } + else if (Tag.empty() == true && NoWord == false && Word == "#clear") + return _error->Error(_("Syntax error %s:%u: clear directive requires an option tree as argument"),FName.c_str(),CurLine); else { // Set the item in the configuration class @@ -814,44 +847,66 @@ bool ReadConfigFile(Configuration &Conf,const string &FName,bool AsSectional, // ReadConfigDir - Read a directory of config files /*{{{*/ // --------------------------------------------------------------------- /* */ -bool ReadConfigDir(Configuration &Conf,const string &Dir,bool AsSectional, - unsigned Depth) -{ - DIR *D = opendir(Dir.c_str()); - if (D == 0) - return _error->Errno("opendir",_("Unable to read %s"),Dir.c_str()); - - vector List; - - for (struct dirent *Ent = readdir(D); Ent != 0; Ent = readdir(D)) - { - if (Ent->d_name[0] == '.') - continue; - - // Skip bad file names ala run-parts - const char *C = Ent->d_name; - for (; *C != 0; C++) - if (isalpha(*C) == 0 && isdigit(*C) == 0 && *C != '_' && *C != '-') - break; - if (*C != 0) - continue; - - // Make sure it is a file and not something else - string File = flCombine(Dir,Ent->d_name); - struct stat St; - if (stat(File.c_str(),&St) != 0 || S_ISREG(St.st_mode) == 0) - continue; - - List.push_back(File); - } - closedir(D); - - sort(List.begin(),List.end()); +bool ReadConfigDir(Configuration &Conf,const string &Dir, + bool const &AsSectional, unsigned const &Depth) +{ + vector const List = GetListOfFilesInDir(Dir, "conf", true, true); // Read the files - for (vector::const_iterator I = List.begin(); I != List.end(); I++) + for (vector::const_iterator I = List.begin(); I != List.end(); ++I) if (ReadConfigFile(Conf,*I,AsSectional,Depth) == false) return false; return true; } /*}}}*/ +// MatchAgainstConfig Constructor /*{{{*/ +Configuration::MatchAgainstConfig::MatchAgainstConfig(char const * Config) +{ + std::vector const strings = _config->FindVector(Config); + for (std::vector::const_iterator s = strings.begin(); + s != strings.end(); ++s) + { + regex_t *p = new regex_t; + if (regcomp(p, s->c_str(), REG_EXTENDED | REG_ICASE | REG_NOSUB) == 0) + patterns.push_back(p); + else + { + regfree(p); + delete p; + clearPatterns(); + _error->Warning("Regex compilation error for '%s' in configuration option '%s'", + s->c_str(), Config); + return; + } + } + if (strings.size() == 0) + patterns.push_back(NULL); +} + /*}}}*/ +// MatchAgainstConfig Destructor /*{{{*/ +Configuration::MatchAgainstConfig::~MatchAgainstConfig() +{ + clearPatterns(); +} +void Configuration::MatchAgainstConfig::clearPatterns() +{ + for(std::vector::const_iterator p = patterns.begin(); + p != patterns.end(); ++p) + { + if (*p == NULL) continue; + regfree(*p); + delete *p; + } +} + /*}}}*/ +// MatchAgainstConfig::Match - returns true if a pattern matches /*{{{*/ +bool Configuration::MatchAgainstConfig::Match(char const * str) const +{ + for(std::vector::const_iterator p = patterns.begin(); + p != patterns.end(); ++p) + if (*p != NULL && regexec(*p, str, 0, 0, 0) == 0) + return true; + + return false; +} + /*}}}*/