Figures and misc.

TODO:
 - Custom implementation of attributes, classes and functions for math
 - Image processing
 - Tables for TeX
 - KaTeX math context (defs work in subsequent math blocks)

formatitko.tex

@@ -15,9 +15,11 @@
 \it{}#1%
 }}
 
+
+\def\superscript#1{\leavevmode\raise3pt\hbox{\fiverm#1}}
 \newcount\fncount
 \fncount=1
-\def\fnmark{\leavevmode\raise3pt\hbox{\fiverm\the\fncount}}
+\def\fnmark{\superscript{\the\fncount}}
 \def\fn#1{\footnote\fnmark{#1}\advance\fncount by 1}
 
 \def\hA#1{{\parskip1em\settextsize{14}\bf #1}}
@@ -27,8 +29,12 @@
 \long\def\blockquote#1{\vskip\lineskip\vskip\parskip\hbox{\vrule\hskip5pt\vbox{#1}}}
 \def\code#1{{\tt #1}}
 \let\codeblock\verbatim
-\def\figure#1{#1}
+\def\subscript#1{\leavevmode\lower1pt\hbox{\fiverm#1}}
-\def\image#1{#1}
+\def\strikeout#1{FIXME: Strikeout not implemented}
+\def\underline#1{FIXME: Underline not implemented}
+\def\figure#1#2{\vskip5pt\centerline{#1}\centerline{#2}\vskip5pt}
+\def\caption#1{{\it #1}}
+\let\image\putimage
 \def\table#1{#1}
 \def\tablebody#1{#1}
 \def\tablerow#1{#1}

html.py

@@ -7,6 +7,7 @@ from pygments.util import ClassNotFound
 from whitespace import NBSP
 from transform import FQuoted
 from katex import KatexClient
+from util import inlinify
 
 def html(e: Element, k: KatexClient, indent_level: int=0, indent_str: str="\t") -> str:
 	
@@ -74,6 +75,8 @@ def html(e: Element, k: KatexClient, indent_level: int=0, indent_str: str="\t")
 	if hasattr(e, "classes") and len(e.classes) != 0:
 		attributes += f' class="{" ".join(e.classes)}"'
 
+	# TODO: Pass attributes down to HTML too
+
 	if isinstance(e, CodeBlock):
 		if e.attributes["highlight"] == True or e.attributes["highlight"] == 'True':
 			for cl in e.classes:
@@ -115,8 +118,8 @@ def html(e: Element, k: KatexClient, indent_level: int=0, indent_str: str="\t")
 	if isinstance(e, Note):
 		content_head = "("
 		content_foot = ")"
-		if len(e.content) == 1 and isinstance(e.content[0], Para):
+		if inlinify(e) is not None:
-			return f' <note>({html(e.content[0].content, k, 0, "")})</note>'
+			return f' <note>({html(inlinify(e), k, 0, "")})</note>'
 
 	if isinstance(e, OrderedList):
 		tag = "ol"

test.md

@@ -46,7 +46,13 @@ This should only be shown to cats the second time
 
 # [$are_we_there_yet]{}
 
-![This is a figure, go figure...](/this/image/does/not/exist.jpg)
+![This is a figure, go figure...](/tmp/logo.pdf){width=10em}
+
+![This is a figure, go figure...](/tmp/logo.jpg){width=10em}
+
+![This is a figure, go figure...](/tmp/logo.png){width=10em}
+
+![This is a figure, go figure...](/tmp/logo.svg){width=10em}
 
 ```python {.run}
 ctx.set_metadata("language", "cs")
@@ -74,7 +80,11 @@ A lot              of spaces
 
 A text with some inline math: $\sum_{i=1}^nn^2$. Plus some display math:
 
+A link with the link in the link: <https://bruh.com>
+
+H~2~O is a liquid.  2^10^ is 1024.
 
+[Underline]{.underline}
 
 :::{only=tex}
 $$

tex.py

@@ -2,6 +2,7 @@ from panflute import *
 
 from whitespace import NBSP
 from transform import FQuoted
+from util import inlinify
 
 # Heavily inspired by: git://git.ucw.cz/labsconf2022.git
 def tex(e, indent_level: int=0, indent_str: str="\t") -> str:
@@ -103,10 +104,23 @@ def tex(e, indent_level: int=0, indent_str: str="\t") -> str:
 		close = "\\endlist"
 		# FIXME: Starting number of list
 	
+	if isinstance(e, Image):
+		return f'\\image{{width {e.attributes["width"] if "width" in e.attributes else ""}}}{{{e.url}}}'
+
+	if isinstance(e, Figure):
+		return f'\\figure{{{tex(e.content, indent_level+1, indent_str)}}}{{{tex(e.caption, indent_level+1, indent_str)}}}\n\n'
+
+	if isinstance(e, Caption):
+		if inlinify(e) is not None:
+			return f'\\caption{{{tex(e.content, 0, "")}}}'
+
 	if isinstance(e, ListItem):
 		tag = ":"
 
 	if isinstance(e, Link):
+		if len(e.content) == 1 and isinstance(e.content[0], Str) and e.content[0].text == e.url:
+			tag = "url"
+		else:
 			tag = "linkurl"
 			arguments = f'{{{e.url}}}'
 
@@ -118,8 +132,8 @@ def tex(e, indent_level: int=0, indent_str: str="\t") -> str:
 
 	if isinstance(e, Note):
 		tag = "fn"
-		if len(e.content) == 1 and isinstance(e.content[0], Para):
+		if inlinify(e) is not None:
-			return f'\\fn{{{tex(e.content[0].content, 0, "")}}}'
+			return f'\\fn{{{tex(inlinify(e), 0, "")}}}'
 
 	if isinstance(e, RawInline):
 		if e.format == "tex":

util.py

@@ -1,6 +1,10 @@
-from panflute import Element, Block, Inline, Null, Str, Doc, convert_text
+from panflute import Element, Block, Inline, Null, Str, Doc, convert_text, Para, Plain
 import re
 
+def inlinify(e: Element) -> Element:
+	if len(e.content) == 1 and (isinstance(e.content[0], Para) or isinstance(e.content[0], Plain)):
+		return e.content[0].content
+
 def replaceEl(e: Element, r: Element) -> Element:
 	parent = e.parent
 	parent.content[e.index] = r