From f5ceaf774ea7d2d3cb05f736238045744ae1490f Mon Sep 17 00:00:00 2001
From: iximeow <me@iximeow.net>
Date: Mon, 1 Jan 2018 01:23:01 -0800
Subject: add a thing to include or generate markdown at compile time

this is how i'll string in sane highlighting for code, assembly, etc
---
 generator/generate.py | 80 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 generator/generate.py

diff --git a/generator/generate.py b/generator/generate.py
new file mode 100644
index 0000000..d94d085
--- /dev/null
+++ b/generator/generate.py
@@ -0,0 +1,80 @@
+#! /usr/bin/env python3
+
+import sys
+import os
+import subprocess
+
+def replace_references(lines, file_dir):
+    result = ""
+    for (i, line) in enumerate(lines):
+        if line.startswith("#include "):
+# include that file directly
+            # find the file as a path relative to the file we opened..
+            filepath = file_dir + line[len("#include "):].strip()
+            try:
+                f = open(filepath)
+                content = f.read()
+                result = result + content
+            except Exception as err:
+                print("Error reading file {}:{}".format(filepath, str(err)))
+                return None
+        elif line.startswith("#eval "):
+# include results of system'ing that line
+            try:
+                evald_text = subprocess.check_output(line[6:], shell=True).decode('utf-8')
+                result = result + '<pre>' + evald_text + '</pre>\n'
+            except Exception as e:
+                print("Error processing line {}:\n  {}\nError: {}".format(i, line, e))
+                return None
+        else:
+# just include the line!
+            result = result + line
+    return result
+
+if __name__ == "__main__":
+    if len(sys.argv) != 2:
+        print("Usage: {} <page_to_compile>".format(sys.argv[0]))
+
+    md_source = sys.argv[1]
+    ridx = md_source.rfind('.')
+    if ridx >= len(md_source) - 5:
+        page_path = md_source[:ridx]
+    else:
+        page_path = md_source
+    page_path = page_path + ".html"
+    page_cwd = './'
+    if '/' in page_path:
+        page_cwd = page_path[:(md_source.rfind('/') + 1)]
+        page_path = page_path[(md_source.rfind('/') + 1):]
+
+    compiled_dest = './generated/{}{}'.format(page_cwd, page_path)
+    print("Source: {}\nPage path: {}\nDest file: {}".format(md_source, page_path, compiled_dest))
+    try:
+        md_file = open(md_source)
+        lines = md_file.readlines()
+
+        print("Compiling {}".format(md_source))
+
+        markdown_blob = replace_references(lines, page_cwd)
+        if markdown_blob == None:
+            print("Error compiling {}".format(md_source))
+            sys.exit(3)
+        print(markdown_blob)
+        # now shove it all through pandoc
+        pandoc_proc = subprocess.Popen(['pandoc'], stdout=subprocess.PIPE, stdin=subprocess.PIPE)
+        html = pandoc_proc.communicate(markdown_blob.encode('utf-8'))[0]
+        try:
+            if not os.path.isdir('./generated/' + page_cwd):
+                os.makedirs('./generated/' + page_cwd)
+            out_file = open(compiled_dest, 'w')
+            out_file.write(html.decode('utf-8'))
+            out_file.close()
+        except IOError as ioerr:
+            print("Unknown error writing result: " + str(ioerr))
+            sys.exit(2)
+    except IOError as ioerr:
+        if ioerr.errno == 2:
+            print("Source file '{}' does not exist".format(md_source))
+        else:
+            print("Unknown ioerr: " + str(ioerr))
+        sys.exit(1)
-- 
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