Merge in ruby bindings.

Thanks to Ali Polatel for these bindings. This code was fetched from
the ruby branch of:

	git://github.com/alip/notmuch.git

1 files changed, 321 insertions, 0 deletions

diff --git a/bindings/ruby/database.c b/bindings/ruby/database.c
new file mode 100644
index 00000000..f4edd773
--- /dev/null
+++ b/bindings/ruby/database.c
@@ -0,0 +1,321 @@
+/* The Ruby interface to the notmuch mail library
+ *
+ * Copyright © 2010 Ali Polatel
+ *
+ * This program 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see http://www.gnu.org/licenses/ .
+ *
+ * Author: Ali Polatel <alip@exherbo.org>
+ */
+
+#include "defs.h"
+
+VALUE
+notmuch_rb_database_alloc(VALUE klass)
+{
+    return Data_Wrap_Struct(klass, NULL, NULL, NULL);
+}
+
+/*
+ * call-seq: Notmuch::Database.new(path [, {:create => false, :mode => Notmuch::MODE_READ_ONLY}]) => DB
+ *
+ * Create or open a notmuch database using the given path.
+ *
+ * If :create is +true+, create the database instead of opening.
+ *
+ * The argument :mode specifies the open mode of the database.
+ */
+VALUE
+notmuch_rb_database_initialize(int argc, VALUE *argv, VALUE self)
+{
+    const char *path;
+    int create, mode;
+    VALUE pathv, hashv;
+    VALUE modev;
+
+#if !defined(RSTRING_PTR)
+#define RSTRING_PTR(v) (RSTRING((v))->ptr)
+#endif /* !defined(RSTRING_PTR) */
+
+    /* Check arguments */
+    rb_scan_args(argc, argv, "11", &pathv, &hashv);
+
+    SafeStringValue(pathv);
+    path = RSTRING_PTR(pathv);
+
+    if (!NIL_P(hashv)) {
+        Check_Type(hashv, T_HASH);
+        create = RTEST(rb_hash_aref(hashv, ID2SYM(ID_db_create)));
+        modev = rb_hash_aref(hashv, ID2SYM(ID_db_mode));
+        if (NIL_P(modev))
+            mode = NOTMUCH_DATABASE_MODE_READ_ONLY;
+        else if (!FIXNUM_P(modev))
+            rb_raise(rb_eTypeError, ":mode isn't a Fixnum");
+        else {
+            mode = FIX2INT(modev);
+            switch (mode) {
+            case NOTMUCH_DATABASE_MODE_READ_ONLY:
+            case NOTMUCH_DATABASE_MODE_READ_WRITE:
+                break;
+            default:
+                rb_raise(rb_eTypeError, "Invalid mode");
+            }
+        }
+    }
+    else {
+        create = 0;
+        mode = NOTMUCH_DATABASE_MODE_READ_ONLY;
+    }
+
+    Check_Type(self, T_DATA);
+    DATA_PTR(self) = create ? notmuch_database_create(path) : notmuch_database_open(path, mode);
+    if (!DATA_PTR(self))
+        rb_raise(notmuch_rb_eDatabaseError, "Failed to open database");
+
+    return self;
+}
+
+/*
+ * call-seq: Notmuch::Database.open(path [, ahash]) {|db| ...}
+ *
+ * Identical to new, except that when it is called with a block, it yields with
+ * the new instance and closes it, and returns the result which is returned from
+ * the block.
+ */
+VALUE
+notmuch_rb_database_open(int argc, VALUE *argv, VALUE klass)
+{
+    VALUE obj;
+
+    obj = rb_class_new_instance(argc, argv, klass);
+    if (!rb_block_given_p())
+        return obj;
+
+    return rb_ensure(rb_yield, obj, notmuch_rb_database_close, obj);
+}
+
+/*
+ * call-seq: DB.close => nil
+ *
+ * Close the notmuch database.
+ */
+VALUE
+notmuch_rb_database_close(VALUE self)
+{
+    notmuch_database_t *db;
+
+    Data_Get_Notmuch_Database(self, db);
+    notmuch_database_close(db);
+    DATA_PTR(self) = NULL;
+
+    return Qnil;
+}
+
+/*
+ * call-seq: DB.path => String
+ *
+ * Return the path of the database
+ */
+VALUE
+notmuch_rb_database_path(VALUE self)
+{
+    notmuch_database_t *db;
+
+    Data_Get_Notmuch_Database(self, db);
+
+    return rb_str_new2(notmuch_database_get_path(db));
+}
+
+/*
+ * call-seq: DB.version => Fixnum
+ *
+ * Return the version of the database
+ */
+VALUE
+notmuch_rb_database_version(VALUE self)
+{
+    notmuch_database_t *db;
+
+    Data_Get_Notmuch_Database(self, db);
+
+    return INT2FIX(notmuch_database_get_version(db));
+}
+
+/*
+ * call-seq: DB.needs_upgrade? => true or false
+ *
+ * Return the +true+ if the database needs upgrading, +false+ otherwise
+ */
+VALUE
+notmuch_rb_database_needs_upgrade(VALUE self)
+{
+    notmuch_database_t *db;
+
+    Data_Get_Notmuch_Database(self, db);
+
+    return notmuch_database_needs_upgrade(db) ? Qtrue : Qfalse;
+}
+
+static void
+notmuch_rb_upgrade_notify(void *closure, double progress)
+{
+    VALUE *block = (VALUE *)closure;
+    rb_funcall(*block, ID_call, 1, rb_float_new(progress));
+}
+
+/*
+ * call-seq: DB.upgrade! [{|progress| block }] => nil
+ *
+ * Upgrade the database.
+ *
+ * If a block is given the block is called with a progress indicator as a
+ * floating point value in the range of [0.0..1.0].
+ */
+VALUE
+notmuch_rb_database_upgrade(VALUE self)
+{
+    notmuch_status_t ret;
+    void (*pnotify) (void *closure, double progress);
+    notmuch_database_t *db;
+    VALUE block;
+
+    Data_Get_Notmuch_Database(self, db);
+
+    if (rb_block_given_p()) {
+        pnotify = notmuch_rb_upgrade_notify;
+        block = rb_block_proc();
+    }
+    else
+        pnotify = NULL;
+
+    ret = notmuch_database_upgrade(db, pnotify, pnotify ? &block : NULL);
+    notmuch_rb_status_raise(ret);
+
+    return Qtrue;
+}
+
+/*
+ * call-seq: DB.get_directory(path) => DIR
+ *
+ * Retrieve a directory object from the database for 'path'
+ */
+VALUE
+notmuch_rb_database_get_directory(VALUE self, VALUE pathv)
+{
+    const char *path;
+    notmuch_directory_t *dir;
+    notmuch_database_t *db;
+
+    Data_Get_Notmuch_Database(self, db);
+
+#if !defined(RSTRING_PTR)
+#define RSTRING_PTR(v) (RSTRING((v))->ptr)
+#endif /* !defined(RSTRING_PTR) */
+
+    SafeStringValue(pathv);
+    path = RSTRING_PTR(pathv);
+
+    dir = notmuch_database_get_directory(db, path);
+    if (!dir)
+        rb_raise(notmuch_rb_eXapianError, "Xapian exception");
+
+    return Data_Wrap_Struct(notmuch_rb_cDirectory, NULL, NULL, dir);
+}
+
+/*
+ * call-seq: DB.add_message(path) => MESSAGE, isdup
+ *
+ * Add a message to the database and return it.
+ *
+ * +isdup+ is a boolean that specifies whether the added message was a
+ * duplicate.
+ */
+VALUE
+notmuch_rb_database_add_message(VALUE self, VALUE pathv)
+{
+    const char *path;
+    notmuch_status_t ret;
+    notmuch_message_t *message;
+    notmuch_database_t *db;
+
+    Data_Get_Notmuch_Database(self, db);
+
+#if !defined(RSTRING_PTR)
+#define RSTRING_PTR(v) (RSTRING((v))->ptr)
+#endif /* !defined(RSTRING_PTR) */
+
+    SafeStringValue(pathv);
+    path = RSTRING_PTR(pathv);
+
+    ret = notmuch_database_add_message(db, path, &message);
+    notmuch_rb_status_raise(ret);
+    return rb_assoc_new(Data_Wrap_Struct(notmuch_rb_cMessage, NULL, NULL, message),
+        (ret == NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID) ? Qtrue : Qfalse);
+}
+
+/*
+ * call-seq: DB.remove_message(path) => isdup
+ *
+ * Remove a message from the database.
+ *
+ * +isdup+ is a boolean that specifies whether the removed message was a
+ * duplicate.
+ */
+VALUE
+notmuch_rb_database_remove_message(VALUE self, VALUE pathv)
+{
+    const char *path;
+    notmuch_status_t ret;
+    notmuch_database_t *db;
+
+    Data_Get_Notmuch_Database(self, db);
+
+#if !defined(RSTRING_PTR)
+#define RSTRING_PTR(v) (RSTRING((v))->ptr)
+#endif /* !defined(RSTRING_PTR) */
+
+    SafeStringValue(pathv);
+    path = RSTRING_PTR(pathv);
+
+    ret = notmuch_database_remove_message(db, path);
+    notmuch_rb_status_raise(ret);
+    return (ret == NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID) ? Qtrue : Qfalse;
+}
+
+/*
+ * call-seq: DB.query(query) => QUERY
+ *
+ * Retrieve a query object for the query string 'query'
+ */
+VALUE
+notmuch_rb_database_query_create(VALUE self, VALUE qstrv)
+{
+    const char *qstr;
+    notmuch_query_t *query;
+    notmuch_database_t *db;
+
+    Data_Get_Notmuch_Database(self, db);
+
+#if !defined(RSTRING_PTR)
+#define RSTRING_PTR(v) (RSTRING((v))->ptr)
+#endif /* !defined(RSTRING_PTR) */
+
+    SafeStringValue(qstrv);
+    qstr = RSTRING_PTR(qstrv);
+
+    query = notmuch_query_create(db, qstr);
+    if (!query)
+        rb_raise(notmuch_rb_eMemoryError, "Out of memory");
+
+    return Data_Wrap_Struct(notmuch_rb_cQuery, NULL, NULL, query);
+}