adding textTransform implementation

CHANGES.rst

@@ -5,7 +5,7 @@ CHANGES
 3.9.1 (unreleased)
 ------------------
 
-- Nothing changed yet.
+- Adding textTransform implementation.
 
 
 3.9.0 (2019-07-19)

src/z3c/rml/paraparser.py

@@ -185,6 +185,13 @@ def _apply_strike(self, style):
                 setattr(frag, styleName, getattr(style, styleName))
         self._new_line('strike')
 
+    def _apply_texttransform(self, style):
+        if not getattr(style, 'textTransform', False):
+            return
+        frag = self._stack[-1]
+        if hasattr(style, 'textTransform') and hasattr(frag, 'text'):
+            setattr(frag, 'textTransform', getattr(style, 'textTransform'))
+
     def start_span(self, attr):
         reportlab.platypus.paraparser.ParaParser.start_span(self, attr)
         self._stack[-1]._style = None
@@ -198,11 +205,13 @@ def start_span(self, attr):
         self._stack[-1]._style = style
         self._apply_underline(style)
         self._apply_strike(style)
+        self._apply_texttransform(style)
 
     def start_para(self, attr):
         reportlab.platypus.paraparser.ParaParser.start_para(self, attr)
         self._apply_underline(self._style)
         self._apply_strike(self._style)
+        self._apply_texttransform(self._style)
 
     def start_pagenumber(self, attributes):
         self.startDynamic(attributes, PageNumberFragment)
@@ -266,7 +275,15 @@ def _setup(self, text, style, bulletText, frags, cleaner, manager):
                 raise ValueError(
                     "xml parser error (%s) in paragraph beginning\n'%s'"\
                     % (_parser.errors[0],text[:min(30,len(text))]))
-            reportlab.platypus.paragraph.textTransformFrags(frags,style)
+            # apply texttransform to paragraphs
+            reportlab.platypus.paragraph.textTransformFrags(frags, style)
+            # apply texttransform to paragraph fragments
+            for frag in frags:
+                if hasattr(frag, '_style') \
+                        and hasattr(frag._style, 'textTransform'):
+                    reportlab.platypus.paragraph.textTransformFrags(
+                                                    [frag], frag._style)
+
             if bulletTextFrags:
                 bulletText = bulletTextFrags
 

src/z3c/rml/tests/input/tag-para-span-texttransform.rml

@@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="iso-8859-1" standalone="no"?>
+<!DOCTYPE document SYSTEM "rml.dtd">
+
+<document
+    filename="tag-para-underline.pdf"
+    xmlns:doc="http://namespaces.zope.org/rml/doc">
+
+  <template>
+    <pageTemplate id="main">
+      <frame id="first" x1="1cm" y1="1cm" width="19cm" height="26cm"/>
+    </pageTemplate>
+  </template>
+
+  <stylesheet>
+    <spanStyle
+        name="uppercase"
+        textTransform="uppercase"
+        />
+    <spanStyle
+        name="lowercase"
+        textTransform="lowercase"
+        />
+    <spanStyle
+        name="capitalize"
+        textTransform="capitalize"
+        />
+    <paraStyle
+        name="uppercase"
+        textTransform="uppercase"
+        />
+    <paraStyle
+        name="lowercase"
+        textTransform="lowercase"
+        />
+    <paraStyle
+        name="capitalize"
+        textTransform="capitalize"
+        />
+  </stylesheet>
+
+  <story>
+    <para>
+      <span style="uppercase">
+        This is an uppercase span.
+      </span>
+      <span style="lowercase">
+        THIS IS A LOWERCASE SPAN.
+      </span>
+      <span style="capitalize">
+        This is a capitalized span.
+      </span>
+    </para>
+    <para style="uppercase">
+      This is an uppercase para.
+    </para>
+    <para style="lowercase">
+      THIS IS A LOWERCASE PARA.
+    </para>
+    <para style="capitalize">
+      This is a capitalized para.
+    </para>
+  </story>
+</document>