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add latex input layer to process input only from this layer #15

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add latex input layer to process input only from this layer #15

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22 changes: 21 additions & 1 deletion extension/latextext.py
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Original file line number Diff line number Diff line change
Expand Up @@ -446,7 +446,27 @@ def run(self):
else:
line_ending = '\n'

text_nodes = self.docroot.findall('.//{%s}text' % SVG_NS)
# check for an input layer or add one
input_layer = self.docroot.find("{%s}g[@id='ltx-input-layer']" % SVG_NS)
if input_layer is None:
log_debug("Creating a new input layer...")
input_layer = etree.Element('g', nsmap=NSS)
input_layer.attrib['{%s}label' % INKSCAPE_NS] = 'Latex Input'
input_layer.attrib['{%s}groupmode' % INKSCAPE_NS] = 'layer'
input_layer.attrib['id'] = 'ltx-input-layer'
self.docroot.append(input_layer)
else:
log_debug("Using a previous input layer...")

text_nodes = None
input_layer = self.docroot.find("{%s}g[@id='ltx-input-layer']" % SVG_NS)
if input_layer is None:
text_nodes = self.docroot.findall('.//{%s}text' % SVG_NS)
log_debug("inputlayer is None")
else:
text_nodes = input_layer.findall('.//{%s}text' % SVG_NS)
log_debug("inputlayer found")

log_debug(str(len(text_nodes)) + " text nodes were found.")
for txt in text_nodes:
if self.options.depth > 0 and txt.xpath('count(ancestor::*)') > self.options.depth + 1:
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