[evolution-data-server] EBookBackendSexp: Support regex query types.

[Tristan Van Berkom <tvb src gnome org>]

commit c212819f0676f4e262eee757548852d574fa129d
Author: Tristan Van Berkom <tristanvb openismus com>
Date:   Tue Apr 23 17:35:54 2013 +0900

    EBookBackendSexp: Support regex query types.

 addressbook/libedata-book/e-book-backend-sexp.c |   75 +++++++++++++++++++++++
 po/POTFILES.in                                  |    1 +
 2 files changed, 76 insertions(+), 0 deletions(-)
---
diff --git a/addressbook/libedata-book/e-book-backend-sexp.c b/addressbook/libedata-book/e-book-backend-sexp.c
index 3cd220f..0b8a8fc 100644
--- a/addressbook/libedata-book/e-book-backend-sexp.c
+++ b/addressbook/libedata-book/e-book-backend-sexp.c
@@ -20,6 +20,7 @@
 
 #include "e-book-backend-sexp.h"
 
+#include <glib/gi18n.h>
 #include <locale.h>
 #include <string.h>
 
@@ -850,6 +851,78 @@ func_eqphone_short (struct _ESExp *f,
 }
 
 static gboolean
+regex_helper (const gchar *ps1,
+             const gchar *ps2,
+             const gchar *region,
+             gboolean     normalize)
+{
+       const gchar *field_data = ps1;
+       const gchar *expression = ps2;
+       GRegex      *regex;
+       GError      *error = NULL;
+       gboolean     match = FALSE;
+
+       regex = g_regex_new (expression, 0, 0, &error);
+       if (!regex) {
+               g_warning ("Failed to parse regular expression '%s': %s",
+                          expression, error ? error->message : _("Unknown error"));
+               g_clear_error (&error);
+               return FALSE;
+       }
+
+       if (normalize) {
+               gchar *normal = e_util_utf8_normalize (field_data);
+
+               match = g_regex_match (regex, normal, 0, NULL);
+
+               g_free (normal);
+       } else
+               match = g_regex_match (regex, field_data, 0, NULL);
+
+       g_regex_unref (regex);
+
+       return match;
+}
+
+static gboolean
+regex_normal_helper (const gchar *ps1,
+                    const gchar *ps2,
+                    const gchar *region)
+{
+       return regex_helper (ps1, ps2, region, TRUE);
+}
+
+static gboolean
+regex_raw_helper (const gchar *ps1,
+                 const gchar *ps2,
+                 const gchar *region)
+{
+       return regex_helper (ps1, ps2, region, FALSE);
+}
+
+static ESExpResult *
+func_regex_normal (struct _ESExp *f,
+                  gint argc,
+                  struct _ESExpResult **argv,
+                  gpointer data)
+{
+       SearchContext *ctx = data;
+
+       return entry_compare (ctx, f, argc, argv, regex_normal_helper);
+}
+
+static ESExpResult *
+func_regex_raw (struct _ESExp *f,
+               gint argc,
+               struct _ESExpResult **argv,
+               gpointer data)
+{
+       SearchContext *ctx = data;
+
+       return entry_compare (ctx, f, argc, argv, regex_raw_helper);
+}
+
+static gboolean
 exists_helper (const gchar *ps1,
                const gchar *ps2,
                const gchar *region)
@@ -1037,6 +1110,8 @@ static struct {
        { "eqphone", func_eqphone, 0 },
        { "eqphone_national", func_eqphone_national, 0 },
        { "eqphone_short", func_eqphone_short, 0 },
+       { "regex_normal", func_regex_normal, 0 },
+       { "regex_raw", func_regex_raw, 0 },
        { "exists", func_exists, 0 },
        { "exists_vcard", func_exists_vcard, 0 },
 };
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 4af316e..5ee0de3 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -15,6 +15,7 @@ addressbook/libebook/e-book-client.c
 addressbook/libebook/e-book-client-view.c
 addressbook/libebook/e-destination.c
 addressbook/libedata-book/e-book-backend.c
+addressbook/libedata-book/e-book-backend-sexp.c
 addressbook/libedata-book/e-book-backend-sqlitedb.c
 addressbook/libedata-book/e-data-book.c
 addressbook/libedata-book/e-data-book-factory.c