diff options
Diffstat (limited to 'raul')
-rw-r--r-- | raul/Path.h | 155 | ||||
-rw-r--r-- | raul/RDFWriter.h | 73 |
2 files changed, 83 insertions, 145 deletions
diff --git a/raul/Path.h b/raul/Path.h index c19767d..200d05e 100644 --- a/raul/Path.h +++ b/raul/Path.h @@ -1,4 +1,4 @@ -/* This file is part of Ingen. Copyright (C) 2006 Dave Robillard. +/* This file is part of Ingen. Copyright (C) 2006-2007 Dave Robillard. * * Ingen is free software; you can redistribute it and/or modify it under the * terms of the GNU General Public License as published by the Free Software @@ -63,142 +63,20 @@ public: assert(is_valid(cpath)); } - - static bool is_valid(const std::basic_string<char>& path) - { - if (path.length() == 0) - return false; - - // Must start with a / - if (path.at(0) != '/') - return false; - - // Must not end with a slash unless "/" - if (path.length() > 1 && path.at(path.length()-1) == '/') - return false; + static bool is_valid(const std::basic_string<char>& path); - assert(path.find_last_of("/") != string::npos); - - // Double slash not allowed - if (path.find("//") != string::npos) - return false; - - // All characters must be printable ASCII - for (size_t i=0; i < path.length(); ++i) - if (path.at(i) < 32 || path.at(i) > 126) - return false; - - // Disallowed characters - if ( path.find(" ") != string::npos - || path.find("#") != string::npos - || path.find("*") != string::npos - || path.find(",") != string::npos - || path.find("?") != string::npos - || path.find("[") != string::npos - || path.find("]") != string::npos - || path.find("{") != string::npos - || path.find("}") != string::npos) - return false; - - return true; - } - - static bool is_valid_name(const std::basic_string<char>& path) + static bool is_valid_name(const std::basic_string<char>& name) { - return is_valid(string("/").append(path)); + return is_valid(string("/").append(name)); } + static string pathify(const std::basic_string<char>& str); + static string nameify(const std::basic_string<char>& str); - /** Convert a string to a valid full path. - * - * This will make a best effort at turning @a str into a complete, valid - * Path, and will always return one. - */ - static string pathify(const std::basic_string<char>& str) - { - string path = str; - - if (path.length() == 0) - return "/"; // this might not be wise - - // Must start with a / - if (path.at(0) != '/') - path = string("/").append(path); - - // Must not end with a slash unless "/" - if (path.length() > 1 && path.at(path.length()-1) == '/') - path = path.substr(0, path.length()-1); // chop trailing slash - - assert(path.find_last_of("/") != string::npos); - - replace_invalid_chars(path, false); - - assert(is_valid(path)); - - return path; - } + static void replace_invalid_chars(string& str, bool replace_slash = false); - /** Convert a string to a valid name (or "method" - tokens between slashes) - * - * This will strip all slashes, etc, and always return a valid name/method. - */ - static string nameify(const std::basic_string<char>& str) - { - string name = str; - - if (name.length() == 0) - return "."; // this might not be wise - - replace_invalid_chars(name, true); - - assert(is_valid(string("/") + name)); - - return name; - } - - - /** Replace any invalid characters in @a str with a suitable replacement. - * - * Makes a pretty name - underscores are a valid character, but this chops - * both spaces and underscores, uppercasing the next letter, to create - * uniform CamelCase names that look nice - */ - static void replace_invalid_chars(string& str, bool replace_slash = false) - { - for (size_t i=0; i < str.length(); ++i) { - if (str[i] == ' ' || str[i] == '_') { - str[i+1] = std::toupper(str[i+1]); // capitalize next char - str = str.substr(0, i) + str.substr(i+1); // chop space/underscore - --i; - } else if (str[i] == '[' || str[i] == '{') { - str[i] = '('; - } else if (str[i] == ']' || str[i] == '}') { - str[i] = ')'; - } else if (str[i] < 32 || str.at(i) > 126 - || str[i] == '#' - || str[i] == '*' - || str[i] == ',' - || str[i] == '?' - || (replace_slash && str[i] == '/')) { - str[i] = '.'; - } - } - - // Chop brackets - while (true) { - - const string::size_type open = str.find("("); - const string::size_type close = str.find(")"); - - if (open != string::npos) { - if (close != string::npos) - str.erase(open, (close - open) + 1); - } else { - break; - } - - } - } + bool is_child_of(const Path& parent) const; + bool is_parent_of(const Path& child) const; /** Return the name of this object (everything after the last '/'). @@ -224,6 +102,7 @@ public: return (parent == "") ? "/" : parent; } + /** Parent path with a "/" appended. * * This exists to avoid needing to be careful about the special case of "/". @@ -238,20 +117,6 @@ public: else return (*this) + "/"; } - - inline bool is_child_of(const Path& parent) const - { - /*return (length() > parent.length() - && substr(0, parent.length()) == parent - && (*this)[parent.length()] == '/');*/ - const string parent_base = parent.base(); - return (substr(0, parent_base.length()) == parent_base); - } - - inline bool is_parent_of(const Path& child) const - { - return child.is_child_of(*this); - } }; diff --git a/raul/RDFWriter.h b/raul/RDFWriter.h new file mode 100644 index 0000000..c67645e --- /dev/null +++ b/raul/RDFWriter.h @@ -0,0 +1,73 @@ +/* This file is part of Ingen. Copyright (C) 2006 Dave Robillard. + * + * Ingen is free software; you can redistribute it and/or modify it under the + * terms of the GNU General Public License as published by the Free Software + * Foundation; either version 2 of the License, or (at your option) any later + * version. + * + * Ingen is distributed in the hope that it will be useful, but WITHOUT ANY + * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + * FOR A PARTICULAR PURPOSE. See the GNU General Public License for details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef RDFWRITER_H +#define RDFWRITER_H + +#include <stdexcept> +#include <string> +#include <map> +#include <raptor.h> +#include "raul/Atom.h" +using std::string; using std::map; + + +class RdfId { +public: + enum Type { ANONYMOUS, RESOURCE }; + + RdfId(Type t, const string& s) : _type(t), _string(s) {} + + Type type() const { return _type; } + const string& to_string() const { return _string; } + +private: + Type _type; + string _string; ///< URI or blank node ID, depending on _type +}; + + +class RDFWriter { +public: + RDFWriter(); + + void add_prefix(const string& prefix, const string& uri); + string expand_uri(const string& uri); + + void start_to_filename(const string& filename) throw (std::logic_error); + void start_to_string() throw (std::logic_error); + string finish() throw (std::logic_error); + + bool serialization_in_progress() { return (_serializer != NULL); } + + void write(const RdfId& subject, + const RdfId& predicate, + const RdfId& object); + + void write(const RdfId& subject, + const RdfId& predicate, + const Atom& object); + +private: + void setup_prefixes(); + + raptor_serializer* _serializer; + unsigned char* _string_output; + map<string, string> _prefixes; +}; + + +#endif // RDFWRITER_H |