doc: move doc scripts around and eliminate submodule

1 files changed, 134 insertions, 0 deletions

diff --git a/scripts/generate.py b/scripts/generate.py
new file mode 100755
index 0000000..f317534
--- /dev/null
+++ b/scripts/generate.py
@@ -0,0 +1,134 @@
+import os
+import os.path
+import re
+from dataclasses import dataclass
+from functools import lru_cache
+from typing import Dict, List
+
+from nvim_doc_tools import (Vimdoc, VimdocSection, generate_md_toc, indent,
+                            parse_functions, read_nvim_json, render_md_api,
+                            render_vimdoc_api, replace_section, wrap)
+
+HERE = os.path.dirname(__file__)
+ROOT = os.path.abspath(os.path.join(HERE, os.path.pardir))
+README = os.path.join(ROOT, "README.md")
+DOC = os.path.join(ROOT, "doc")
+VIMDOC = os.path.join(DOC, "conform.txt")
+OPTIONS = os.path.join(ROOT, "tests", "options_doc.lua")
+
+
+@dataclass
+class Formatter:
+    name: str
+    description: str
+    url: str
+
+
+@lru_cache
+def get_all_formatters() -> List[Formatter]:
+    names = sorted(
+        [
+            os.path.splitext(file)[0]
+            for file in os.listdir(os.path.join(ROOT, "lua", "conform", "formatters"))
+        ]
+    )
+    formatters = []
+    for name in names:
+        meta = read_nvim_json(f'require("conform.formatters.{name}").meta')
+        formatters.append(Formatter(name, **meta))
+    return formatters
+
+
+def update_formatter_list():
+    formatter_lines = ["\n"]
+    for formatter in get_all_formatters():
+        formatter_lines.append(
+            f"- [{formatter.name}]({formatter.url}) - {formatter.description}\n"
+        )
+    replace_section(
+        README,
+        r"^<!-- FORMATTERS -->$",
+        r"^<!-- /FORMATTERS -->$",
+        formatter_lines,
+    )
+
+
+def update_options():
+    option_lines = ["\n", "```lua\n"]
+    with open(OPTIONS, "r", encoding="utf-8") as f:
+        option_lines.extend(f.readlines())
+    option_lines.extend(["```\n", "\n"])
+    replace_section(
+        README,
+        r"^<!-- OPTIONS -->$",
+        r"^<!-- /OPTIONS -->$",
+        option_lines,
+    )
+
+
+def add_md_link_path(path: str, lines: List[str]) -> List[str]:
+    ret = []
+    for line in lines:
+        ret.append(re.sub(r"(\(#)", "(" + path + "#", line))
+    return ret
+
+
+def update_md_api():
+    funcs = parse_functions(os.path.join(ROOT, "lua", "conform", "init.lua"))
+    lines = ["\n"] + render_md_api(funcs, 3)[:-1]  # trim last newline
+    replace_section(
+        README,
+        r"^<!-- API -->$",
+        r"^<!-- /API -->$",
+        lines,
+    )
+
+
+def update_readme_toc():
+    toc = ["\n"] + generate_md_toc(README) + ["\n"]
+    replace_section(
+        README,
+        r"^<!-- TOC -->$",
+        r"^<!-- /TOC -->$",
+        toc,
+    )
+
+
+def gen_options_vimdoc() -> VimdocSection:
+    section = VimdocSection("Options", "conform-options", ["\n", ">lua\n"])
+    with open(OPTIONS, "r", encoding="utf-8") as f:
+        section.body.extend(indent(f.readlines(), 4))
+    section.body.append("<\n")
+    return section
+
+
+def gen_formatter_vimdoc() -> VimdocSection:
+    section = VimdocSection("Formatters", "conform-formatters", ["\n"])
+    for formatter in get_all_formatters():
+        line = f"`{formatter.name}` - {formatter.description}\n"
+        section.body.extend(wrap(line, sub_indent=len(formatter.name) + 3))
+    return section
+
+
+def generate_vimdoc():
+    doc = Vimdoc("conform.txt", "conform")
+    funcs = parse_functions(os.path.join(ROOT, "lua", "conform", "init.lua"))
+    doc.sections.extend(
+        [
+            gen_options_vimdoc(),
+            VimdocSection("API", "conform-api", render_vimdoc_api("conform", funcs)),
+            gen_formatter_vimdoc(),
+        ]
+    )
+
+    with open(VIMDOC, "w", encoding="utf-8") as ofile:
+        ofile.writelines(doc.render())
+
+
+def main() -> None:
+    """Update the README"""
+    update_formatter_list()
+    update_options()
+    update_md_api()
+    update_readme_toc()
+    generate_vimdoc()