fix cross-reference links to external file

5 files changed, 14 insertions, 11 deletions

diff --git a/example.tex b/example.tex
index ee1377a..e0d21c0 100644
--- a/example.tex
+++ b/example.tex
@@ -3,7 +3,7 @@
 % with the [draft] option. this replaces all images with placeholders.
 \input{meta.tex}
 
-\input{reqs.aux}
+\externaldocument{reqs}[./requirements.pdf]
 
 \title{Example Document}
 
@@ -174,7 +174,7 @@ the glossary that is automatically printed after \codeinline{\end{document}}.
 \subsubsection{Requirements}
 
 Requirements are referenced like \codeinline{\label}s:
-e.g.~\cref{req:audio:handle:id,req:audio:async-api:id}.
+e.g.~\cref{req:audio:handle,req:audio:async-api}.
 
 \end{document}
 
diff --git a/projdoc.cls b/projdoc.cls
index c11fe61..8a592e3 100644
--- a/projdoc.cls
+++ b/projdoc.cls
@@ -40,6 +40,7 @@
 \RequirePackage{tabularx}
 \RequirePackage{booktabs}
 \RequirePackage{needspace}
+\RequirePackage{xr-hyper}
 \RequirePackage{hyperref}
 \RequirePackage{microtype}
 \RequirePackage{xcolor}
diff --git a/readme.md b/readme.md
index 818d445..7b58cfd 100644
--- a/readme.md
+++ b/readme.md
@@ -18,6 +18,12 @@ A `latexmkrc` file is provided for copmilation with latexmk. The documents
 should also compile under [Visual Studio Code][vscode] using the [LaTeX
 Workshop extension][latexworkshop], as well as [VimTeX][vimtex].
 
+## TODO
+
+- Requirement cross-references are broken (they print both the label and the
+  path to the other document, should be label only). Interesting:
+  `\creflabelformat` and `\@templabel` (inside #2 of `\creflabelformat`).
+
 [vscode]: https://code.visualstudio.com
 [latexworkshop]: https://marketplace.visualstudio.com/items?itemName=James-Yu.latex-workshop
 [vimtex]: https://github.com/lervag/vimtex
diff --git a/requirements.tex b/requirements.tex
index 39e5831..1b51220 100644
--- a/requirements.tex
+++ b/requirements.tex
@@ -6,6 +6,5 @@
 
 \begin{document}
 
-
 \end{document}
 
diff --git a/scripts/reqs2tex.py b/scripts/reqs2tex.py
index c5ab3dd..667eeb6 100755
--- a/scripts/reqs2tex.py
+++ b/scripts/reqs2tex.py
@@ -69,18 +69,15 @@ def convert(data):
   return reqs
 
 def req2aux(req):
-  # TODO: this is a dead-end solution, newlabel only works for in-document anchors, not external links
+  ref = tex.label2ref(req['label'])
   out = [
-    tex.scmd('newlabel', f"req:{req['label']}:id", tex.group(req['id'], req['id'], '', './requirements.pdf', '')),
-    tex.scmd('newlabel', f"req:{req['label']}:id@cref", tex.group(f"[requirement][][]{req['id']}", '')),
+    tex.cmd('newlabel', f"{ref}", tex.group(req['id'], req['id'], 'ggg', 'hhh', 'iii')),
+    tex.cmd('newlabel', f"{ref}@cref", tex.group(f"[requirement][aaa][bbb]{req['id']}", '[ccc][ddd][eee]fff')),
   ]
-  return "\n".join([tex.auxout(line) for line in out])
+  return "\n".join(out)
 
 def fmt_aux(data):
-  out = ""
-  out += tex.cmd('makeatletter')
-  out += "\n".join([req2aux(req) for req in data])
-  out += tex.cmd('makeatother')
+  out = "\n".join([req2aux(req) for req in data])
   return out
 
 def fmt_tex(data):