forked from extern/Unexpected-Keyboard
ad7314a016
This separates the layout definitions from the special layouts (bottom_row, greekmath) and other unrelated files (method, settings). This is also a more intuitive location for layouts and make the resource directory easier to navigate. Under the hood, layouts are copied back into build/generated-resources/xml.
65 lines
2.7 KiB
Python
65 lines
2.7 KiB
Python
#!/usr/bin/env python
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# Generates the list of layouts in res/values/layouts.xml from the layout files
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# in srcs/layouts. Every layouts must have a 'name' attribute to be listed.
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import itertools as it
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import sys, os, glob
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import xml.etree.ElementTree as XML
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# Layouts first in the list (these are the programming layouts). Other layouts
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# are sorted alphabetically.
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FIRST_LAYOUTS = [ "latn_qwerty_us", "latn_colemak", "latn_dvorak" ]
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# Read a layout from a file. Returns [None] if [fname] is not a layout.
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def read_layout(fname):
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root = XML.parse(fname).getroot()
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if root.tag != "keyboard":
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return None
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return { "name": root.get("name") }
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# Yields the id (based on the file name) and the display name for every layouts
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def read_layouts(files):
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for layout_file in files:
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layout_id, _ = os.path.splitext(os.path.basename(layout_file))
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layout = read_layout(layout_file)
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if layout == None:
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print("Not a layout file: %s" % layout_file)
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elif layout["name"] == None:
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print("Layout doesn't have a name: %s" % layout_id)
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else:
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yield (layout_id, layout["name"])
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# Sort layouts alphabetically, except for layouts in FIRST_LAYOUTS, which are
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# placed at the top.
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# Returns a list. 'layouts' can be an iterator.
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def sort_layouts(layouts):
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layouts = dict(layouts)
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head = [ (lid, layouts.pop(lid)) for lid in FIRST_LAYOUTS ]
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return head + sorted(layouts.items())
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# Write the XML arrays used in the preferences.
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def generate_arrays(out, layouts):
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def mk_array(tag, name, strings_items):
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elem = XML.Element(tag, name=name)
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for s in strings_items:
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item = XML.Element("item")
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item.text = s
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elem.append(item)
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return elem
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system_item = [ ("system", "@string/pref_layout_e_system") ]
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custom_item = [ ("custom", "@string/pref_layout_e_custom") ]
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values_items, entries_items = zip(*(system_item + layouts + custom_item)) # unzip
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ids_items = map(lambda s: "@xml/%s" % s if s not in ["system", "custom"] else "-1", values_items)
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root = XML.Element("resources")
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root.append(XML.Comment(text="DO NOT EDIT. This file is generated, see gen_layouts.py."))
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root.append(mk_array("string-array", "pref_layout_values", values_items))
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root.append(mk_array("string-array", "pref_layout_entries", entries_items))
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root.append(mk_array("integer-array", "layout_ids", ids_items))
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XML.indent(root)
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XML.ElementTree(element=root).write(out, encoding="unicode", xml_declaration=True)
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layouts = sort_layouts(read_layouts(glob.glob("srcs/layouts/*.xml")))
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with open("res/values/layouts.xml", "w") as out:
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generate_arrays(out, layouts)
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