Implement simple build script

build.py

@@ -0,0 +1,112 @@
+#!/usr/bin/env python3
+import os
+from io import TextIOWrapper
+import sys
+
+NAVBAR_FMT = '''
+<ul>
+  <li><a href="index.html">
+    Home{}
+  </a></li>
+  <li><a href="projects.html">
+    Projects{}
+  </a></li>
+  <li><a href="about.html">
+    About & Contact{}
+  </a></li>
+</ul>
+'''
+SELECT_FMT = ' &lt;'
+current_source = ''
+
+
+def token_to_str(token: str) -> str:
+    global current_source
+
+    if token == 'NAVBAR':
+        home_str = ''
+        projects_str = ''
+        about_str = ''
+
+        if current_source == 'index.html':
+            home_str = SELECT_FMT
+        elif current_source == 'projects.html':
+            projects_str = SELECT_FMT
+        elif current_source == 'about.html':
+            about_str = SELECT_FMT
+
+        return NAVBAR_FMT.format(home_str, projects_str, about_str)
+    elif token.endswith('.html'):
+        return open('includes/' + token).read()
+    else:
+        return '{{' + token + '}}'
+
+
+def replace_line(line: str) -> (str, int):
+    ret = ''
+    count = 0
+
+    replacing = False
+    token = ''
+    i = 0
+    while i < (len(line) - 2):
+        if replacing:
+            if line[i:i+2] == r'}}':
+                replacing = False
+                ret += token_to_str(token)
+                i += 2
+                token = ''
+                count += 1
+            else:
+                token += line[i]
+                i += 1
+        else:
+            if line[i:i+2] == r'{{':
+                replacing = True
+                i += 2
+            else:
+                ret += line[i]
+                i += 1
+
+    if replacing:
+        ret += '{{' + token
+    ret += line[i:]
+
+    return (ret, count)
+
+def stream_template(in_fd: TextIOWrapper, out_fd: TextIOWrapper) -> int:
+    replacements = 0
+
+    while True:
+        line = in_fd.readline()
+        if line == '':
+            break
+
+        new_line, count = replace_line(line)
+        out_fd.write(new_line)
+        replacements += count
+
+    return replacements
+
+
+def main():
+    global current_source
+
+    includes = os.listdir('includes')
+    sources = os.listdir('src')
+
+    print(includes)
+    print(sources)
+
+    if not os.path.isdir('public'):
+        os.mkdir('public')
+
+    for source in sources:
+        current_source = source
+
+        in_fd = open('src/' + source, 'r')
+        out_fd = open('public/' + source, 'w')
+        stream_template(in_fd, out_fd)
+
+if __name__ == '__main__':
+    main()