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using Xml;
namespace Caribou {
private class XmlDeserializer : Object {
public static string? get_layout_file_inner (string data_dir,
string group,
string variant) {
string[] files = {@"$(group)_$(variant).xml", @"$(group).xml"};
foreach (string fn in files) {
string layout_fn = GLib.Path.build_filename (data_dir, fn);
GLib.File fp = GLib.File.new_for_path (layout_fn);
if (fp.query_exists ())
return layout_fn;
}
return null;
}
public static string get_layout_file (string keyboard_type, string group,
string variant) throws IOError {
List<string> dirs = new List<string> ();
string custom_dir = Environment.get_variable("CARIBOU_LAYOUTS_DIR");
if (custom_dir != null)
dirs.append (Path.build_filename (custom_dir, "layouts",
keyboard_type));
dirs.append (Path.build_filename (Environment.get_user_data_dir (),
"caribou", "layouts", keyboard_type));
foreach (string dir in Environment.get_system_data_dirs ()) {
dirs.append (Path.build_filename (
dir, "caribou", "layouts", keyboard_type));
}
foreach (string data_dir in dirs) {
string fn = get_layout_file_inner (data_dir, group, variant);
if (fn != null)
return fn;
}
throw new IOError.NOT_FOUND (
"Could not find layout file for %s %s", group, variant); }
public static GroupModel? load_group (string keyboard_type,
string group, string variant) {
Doc* doc;
try {
string fn = get_layout_file (keyboard_type, group, variant);
doc = Parser.parse_file (fn);
if (doc == null)
throw new IOError.FAILED (
"Cannot load XML text reader for %s", fn);
} catch (GLib.Error e) {
stdout.printf ("Failed to load XML: %s\n", e.message);
return null;
}
GroupModel grp = new GroupModel (group, variant);
Xml.Node* node = doc->children;
create_levels_from_xml (grp, node);
delete doc;
Parser.cleanup ();
return grp;
}
public static void create_levels_from_xml (GroupModel group,
Xml.Node* node) {
assert (node->name == "layout");
for (Xml.Node* iter = node->children; iter != null; iter = iter->next) {
if (iter->type != ElementType.ELEMENT_NODE)
continue;
string levelname = iter->get_prop ("name");
string mode = iter->get_prop ("mode");
LevelModel level = new LevelModel(mode);
load_rows (level, iter);
group.add_level(levelname, level);
}
}
public static void load_rows (LevelModel level, Xml.Node* node) {
assert (node->name == "level");
int rownum = 0;
for (Xml.Node* i = node->children; i != null; i = i->next) {
if (i->type != ElementType.ELEMENT_NODE)
continue;
int colnum = 0;
for (Xml.Node* i2 = i->children; i2 != null; i2 = i2->next) {
if (i2->name == "key")
level.add_key (rownum, colnum, load_key(i2));
else if (i2->name == "column")
load_column (level, rownum, colnum++, i2);
}
rownum++;
}
}
public static void load_column (LevelModel level, int row, int col,
Xml.Node* node) {
assert (node->name == "column");
for (Xml.Node* i = node->children; i != null; i = i->next) {
if (i->type != ElementType.ELEMENT_NODE)
continue;
level.add_key (row, col, load_key (i));
}
}
public static KeyModel load_key (Xml.Node* node) {
assert (node->name == "key");
string name = node->get_prop ("name");
assert (name != null);
KeyModel key = new KeyModel (name);
for (Attr* prop = node->properties; prop != null; prop = prop->next) {
if (prop->name == "toggle")
key.toggle = prop->children->content;
else if (prop->name == "margin-left")
key.margin_left = double.parse (prop->children->content);
else if (prop->name == "width")
key.width = double.parse (prop->children->content);
}
for (Xml.Node* i = node->children; i != null; i = i->next) {
if (i->type != ElementType.ELEMENT_NODE)
continue;
key.add_subkey (load_key (i));
}
return key;
}
}
}
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