From 65e3eb1a68581bede3788501a3052e97df16c91a Mon Sep 17 00:00:00 2001
From: Matthew Petroff <matthew@mpetroff.net>
Date: Thu, 18 Jul 2013 15:00:03 -0400
Subject: Added quantity string parsing.

(bzr r12380.1.24)
---
 src/util/units.cpp | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

(limited to 'src/util/units.cpp')

diff --git a/src/util/units.cpp b/src/util/units.cpp
index d485f6aef..705fc850c 100644
--- a/src/util/units.cpp
+++ b/src/util/units.cpp
@@ -16,6 +16,7 @@
 #include <cmath>
 #include <cerrno>
 #include <glib.h>
+#include <glibmm/regex.h>
 
 #include "io/simple-sax.h"
 #include "util/units.h"
@@ -228,6 +229,27 @@ Unit UnitTable::getUnit(Glib::ustring const &unit_abbr) const {
     }
 }
 
+Quantity UnitTable::getQuantity(Glib::ustring const& q) const {
+    Glib::MatchInfo match_info;
+    
+    // Extract value
+    double value = 0;
+    Glib::RefPtr<Glib::Regex> value_regex = Glib::Regex::create("\\d+\\.?\\d");
+    if (value_regex->match(q, match_info)) {
+        value = atof(match_info.fetch(0).c_str());
+    }
+    
+    // Extract unit abbreviation
+    Glib::ustring abbr;
+    Glib::RefPtr<Glib::Regex> unit_regex = Glib::Regex::create("[A-z]+");
+    if (unit_regex->match(q, match_info)) {
+        abbr = match_info.fetch(0);
+    }
+    Unit *u = new Inkscape::Util::Unit(getUnit(abbr));
+    
+    return Quantity(value, u);
+}
+
 bool UnitTable::deleteUnit(Unit const &u) {
     bool deleted = false;
     // Cannot delete the primary unit type since it's
-- 
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