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Update OML generator to use DTDesign namespaces + simplify OML template

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This commit is contained in:
Joeri Exelmans 2023-03-20 16:22:33 +01:00
parent c745dc42eb
commit e9e83da78b
2 changed files with 80 additions and 58 deletions
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97
src/xopp2oml/template.oml
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@ -1,69 +1,58 @@
{%- macro attributes(pageindex, page, layerindex, layer, elementindex, element) -%}
{%- for key,value in element.attributes.items() %}
ci p{{pageindex}}l{{layerindex}}e{{elementindex}}a{{loop.index}} : xopp:XMLAttribute [
dict:hasKey "{{key}}"
dict:hasValue "{{value}}"
xopp:ofLayerElement p{{pageindex}}l{{layerindex}}e{{elementindex}}
object_diagram:inModel model
]
{% endfor %}
{%- endmacro -%}
{%- macro elements(pageindex, page, layerindex, layer) -%}
{% for el in layer.elements %}
ci p{{pageindex}}l{{layerindex}}e{{loop.index}} : xopp:{{el.__class__.__name__}} [
xopp:hasText "{{el.text}}"
xopp:inLayer p{{pageindex}}l{{layerindex}}
object_diagram:inModel model
]
{{ attributes(pageindex, page, layerindex, layer, loop.index, el) -}}
{% endfor %}
{%- endmacro -%}
{%- macro layers(pageindex, page) -%}
{% for layer in page.layers %}
ci p{{pageindex}}l{{loop.index}} : xopp:Layer [
xopp:inPage p{{pageindex}}
object_diagram:inModel model
]
{{ elements(pageindex, page, loop.index, layer) -}}
{% endfor %}
{%- endmacro -%}
{%- macro pages(file) -%}
{% for page in file.pages -%}
ci p{{loop.index}} : xopp:Page [
xopp:hasWidth {{ page.width }}
xopp:hasHeight {{ page.height }}
xopp:hasBackgroundType "{{ page.background_type }}"
xopp:hasBackgroundColor "{{ page.background_color }}"
xopp:hasBackgroundStyle "{{ page.background_style }}"
xopp:inFile file
object_diagram:inModel model
]
{{ layers(loop.index, page) -}}
{%- endfor %}
{%- endmacro -%}
// Warning: Generated code! Do not edit!
// Input file: '{{inputfile}}'
// Generator: https://msdl.uantwerpen.be/git/jexelmans/xopp2py
description <http://flandersmake.be/cdf/description/{{namespace}}#> as {{namespace}} {
uses <http://flandersmake.be/cdf/vocabulary/xopp#> as xopp
uses <http://flandersmake.be/cdf/vocabulary/object_diagram#> as object_diagram
uses <http://flandersmake.be/cdf/vocabulary/dict#> as dict
description <{{namespaces.description}}#> as {{namespaces.shorthand}} {
uses <{{namespaces.xopp}}#> as xopp
uses <{{namespaces.object_diagram}}#> as object_diagram
uses <{{namespaces.dict}}#> as dict
ci model : xopp:Model []
ci file : xopp:File [
xopp:hasCreator "{{ file.creator }}"
xopp:hasCreator {{ file.creator | to_oml_string_literal }}
xopp:hasFileVersion {{ file.fileversion }}
xopp:hasTitle "{{ file.title }}"
xopp:hasTitle {{ file.title | to_oml_string_literal }}
{%- if file.preview != None %}
xopp:hasPreview "{{ toBase64(file.preview).decode('utf-8') }}"
xopp:hasPreview {{ file.preview | to_base64_string }}
{%- endif %}
object_diagram:inModel model
]
{{ pages(file) }}
{% for page_index, page in enumerate(file.pages) %}
ci p{{page_index}} : xopp:Page [
xopp:hasWidth {{ page.width }}
xopp:hasHeight {{ page.height }}
xopp:hasBackgroundType {{ page.background_type | to_oml_string_literal }}
xopp:hasBackgroundColor {{ page.background_color | to_oml_string_literal }}
xopp:hasBackgroundStyle {{ page.background_style | to_oml_string_literal }}
xopp:inFile file
object_diagram:inModel model
]
{%- for layer_index, layer in enumerate(page.layers) %}
ci p{{page_index}}l{{layer_index}} : xopp:Layer [
xopp:inPage p{{page_index}}
object_diagram:inModel model
]
{%- for el_index, el in enumerate(layer.elements) %}
ci p{{page_index}}l{{layer_index}}e{{el_index}} : xopp:{{el.__class__.__name__}} [
xopp:hasText {{el.text | to_oml_string_literal}}
xopp:inLayer p{{page_index}}l{{layer_index}}
object_diagram:inModel model
]
{%- for key, value in el.attributes.items() %}
ci p{{page_index}}l{{layer_index}}e{{el_index}}a{{loop.index}} : xopp:XMLAttribute [
dict:hasKey {{key | to_oml_string_literal}}
dict:hasValue {{value | to_oml_string_literal}}
xopp:ofLayerElement p{{page_index}}l{{layer_index}}e{{el_index}}
object_diagram:inModel model
]
{% endfor %}
{% endfor %}
{% endfor %}
{% endfor %}
}

39
src/xopp2oml/writer.py
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@ -1,18 +1,51 @@
from xopp2py import abstract_syntax
import io
import base64
CDF_NAMESPACES = {
# namespace of generated description
"description": "http://flandersmake.be/cdf/description/my_xopp",
"shorthand": "my_xopp",
# vocabulary namespaces
"xopp": "http://flandersmake.be/cdf/vocabulary/xopp",
"object_diagram": "http://flandersmake.be/cdf/vocabulary/object_diagram",
"dict": "http://flandersmake.be/cdf/vocabulary/dict",
}
DTDESIGN_NAMESPACES = {
# namespace of generated description
"description": "http://ua.be/sdo2l/description/artifacts/my_xopp",
"shorthand": "my_xopp",
# vocabulary namespaces
"xopp": "http://ua.be/sdo2l/vocabulary/formalisms/xopp",
"object_diagram": "http://ua.be/sdo2l/vocabulary/formalisms/object_diagram",
"dict": "http://ua.be/sdo2l/vocabulary/formalisms/dict",
}
def to_oml_string_literal(python_string):
# Not sure which characters to escape in OML.
# At the very least, quotes should be escaped:
return '"' + python_string.replace('"', '\\"') + '"'
def to_base64_string(bytes):
return '"' + base64.b64encode(bytes).decode('utf-8') + '"'
def writeOML(xournalFile: abstract_syntax.XournalFile, inputfile:str, namespace:str, ostream: io.TextIOBase):
import jinja2
import os
import base64
environment = jinja2.Environment(
loader=jinja2.FileSystemLoader(os.path.dirname(__file__)))
environment.filters['to_oml_string_literal'] = to_oml_string_literal
environment.filters['to_base64_string'] = to_base64_string
template = environment.get_template("template.oml")
for piece in template.generate(
file=xournalFile,
toBase64=base64.b64encode,
inputfile=inputfile,
namespace=namespace):
enumerate=enumerate,
namespaces=DTDESIGN_NAMESPACES):
ostream.write(piece)