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-rw-r--r--raul/Path.h155
-rw-r--r--raul/RDFWriter.h73
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
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