[WIP] Image size: write tests

patacrep/data/templates/songs/chordpro/latex/content_image

@@ -1,5 +1,5 @@
 (* block image *)
-(* set image = content.argument|search_image|path2posix *)
+(* set image = content.filename|search_image|path2posix *)
 (* if image *)
 \image{(( image ))}
 (*- endif *)

patacrep/data/templates/styles/patacrep.sty

@@ -7,6 +7,7 @@
 \ProvidesPackage{patacrep}[2014/06/17 Patacrep Package, version 1]
 
 \RequirePackage{graphicx,xcolor} %
+\RequirePackage[space]{grffile}
 \RequirePackage{epstopdf} %
 \RequirePackage{fancybox}
 \RequirePackage{xstring}

patacrep/songs/chordpro/ast.py

@@ -405,6 +405,26 @@ class Define(Directive):
     def __str__(self):
         return None
 
+class Image(Directive):
+    """An image
+
+    .. attribute:: filename
+        The filename of the image.
+    .. attribute:: size
+        A tuple of ``(width, height)`` of the image. Both can be ``None``.
+    """
+
+    def __init__(self, filename, size=None):
+        self.filename = filename
+        if size is None:
+            self.size = (None, None)
+        else:
+            self.size = size
+        super().__init__("image", None)
+
+    def __str__(self):
+        raise NotImplementedError("TODO4")
+
 class Tab(AST):
     """Tablature"""
 

patacrep/songs/chordpro/syntax.py

@@ -2,6 +2,7 @@
 
 import logging
 import re
+import shlex
 
 import ply.yacc as yacc
 
@@ -171,7 +172,43 @@ class ChordproParser(Parser):
                 symbols[0] = ast.Error()
                 return
             self._directives.append(define)
-
+        elif keyword == "image":
+            splitted = shlex.split(argument)
+            if len(splitted) == 1:
+                symbols[0] = ast.Image(splitted[0])
+            elif len(splitted) == 2:
+                match = re.compile(
+                    r"""
+                    ^
+                    size=
+                    ((?P<widthvalue>\d*\.\d+|\d+)(?P<widthunit>%|cm|em|pt))?
+                    x
+                    ((?P<heightvalue>\d*\.\d+|\d+)(?P<heightunit>%|cm|em|pt))?
+                    $
+                    """,
+                    re.VERBOSE
+                    ).match(splitted[1])
+                if match is None:
+                    self.error(
+                        line=symbols.lexer.lineno,
+                        message="TODO1",
+                        )
+                    symbols[0] = ast.Error()
+                else:
+                    groupdict = match.groupdict()
+                    symbols[0] = ast.Image(
+                        splitted[0],
+                        (
+                            (groupdict['widthvalue'], groupdict['widthunit']),
+                            (groupdict['heightvalue'], groupdict['heightunit']),
+                        ),
+                    )
+            else:
+                self.error(
+                    line=symbols.lexer.lineno,
+                    message="TODO3",
+                    )
+                symbols[0] = ast.Error()
         else:
             directive = ast.Directive(keyword, argument)
             if directive.inline:

test/test_book/syntax.tex.control

@@ -112,6 +112,10 @@ guitar,
 
 \endsong
 
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% songs/./musicnote.csg
+TODO Test image sizes
+
 \end{songs}
 
 

test/test_book/syntax_datadir/songs/images.csg

@@ -0,0 +1,24 @@
+{title : Test of image sizes}
+
+{image: dices.png}
+{image: "image with spaces.png"}
+
+{image: dices.png size=20%x}
+{image: "image with spaces.png" size=x20%}
+{image: dices.png size=20%x10%}
+
+{image: dices.png size=20%x}
+{image: "image with spaces.png" size=x20%}
+{image: dices.png size=20%x10%}
+
+{image: dices.png size=2cmx}
+{image: "image with spaces.png" size=x2cm}
+{image: dices.png size=2cmx1cm}
+
+{image: dices.png size=2emx}
+{image: "image with spaces.png" size=x2em}
+{image: dices.png size=2emx1em}
+
+{image: dices.png size=50ptx}
+{image: "image with spaces.png" size=x50pt}
+{image: dices.png size=50ptx100pt}

test/test_song/image.csg

@@ -0,0 +1,22 @@
+{image: dices.png}
+{image: "image with spaces.png"}
+
+{image: dices.png size=20%x}
+{image: "image with spaces.png" size=x20%}
+{image: dices.png size=20%x10%}
+
+{image: dices.png size=20%x}
+{image: "image with spaces.png" size=x20%}
+{image: dices.png size=20%x10%}
+
+{image: dices.png size=2cmx}
+{image: "image with spaces.png" size=x2cm}
+{image: dices.png size=2cmx1cm}
+
+{image: dices.png size=2emx}
+{image: "image with spaces.png" size=x2em}
+{image: dices.png size=2emx1em}
+
+{image: dices.png size=50ptx}
+{image: "image with spaces.png" size=x50pt}
+{image: dices.png size=50ptx100pt}

test/test_song/image.csg.source

@@ -0,0 +1,18 @@
+{image: dices.png}
+{image: "image with spaces.png"}
+
+{image: dices.png size=20%x}
+{image: "image with spaces.png" size=x20%}
+{image: dices.png size=20%x10%}
+
+{image: dices.png size=2cmx}
+{image: "image with spaces.png" size=x2cm}
+{image: dices.png size=2cmx1cm}
+
+{image: dices.png size=2emx}
+{image: "image with spaces.png" size=x2em}
+{image: dices.png size=2emx1em}
+
+{image: dices.png size=50ptx}
+{image: "image with spaces.png" size=x50pt}
+{image: dices.png size=50ptx100pt}

test/test_song/image.tsg

@@ -0,0 +1 @@
+TODO