89 lines
3.1 KiB
Python
89 lines
3.1 KiB
Python
"""Functions used to generate source files during build time"""
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import os
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from io import StringIO
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def parse_template(inherits, source, delimiter):
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script_template = {
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"inherits": inherits,
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"name": "",
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"description": "",
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"version": "",
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"script": "",
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"space-indent": "4",
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}
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meta_prefix = delimiter + " meta-"
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meta = ["name", "description", "version", "space-indent"]
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with open(source, "r", encoding="utf-8") as f:
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lines = f.readlines()
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for line in lines:
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if line.startswith(meta_prefix):
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line = line[len(meta_prefix) :]
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for m in meta:
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if line.startswith(m):
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strip_lenght = len(m) + 1
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script_template[m] = line[strip_lenght:].strip()
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else:
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script_template["script"] += line
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if script_template["space-indent"] != "":
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indent = " " * int(script_template["space-indent"])
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script_template["script"] = script_template["script"].replace(indent, "_TS_")
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if script_template["name"] == "":
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script_template["name"] = os.path.splitext(os.path.basename(source))[0].replace("_", " ").title()
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script_template["script"] = (
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script_template["script"].replace('"', '\\"').lstrip().replace("\n", "\\n").replace("\t", "_TS_")
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)
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return (
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'{ String("'
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+ script_template["inherits"]
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+ '"), String("'
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+ script_template["name"]
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+ '"), String("'
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+ script_template["description"]
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+ '"), String("'
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+ script_template["script"]
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+ '")'
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+ " },\n"
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)
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def make_templates(target, source, env):
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dst = str(target[0])
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with StringIO() as s:
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s.write("/* THIS FILE IS GENERATED DO NOT EDIT */\n\n")
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s.write("#ifndef _CODE_TEMPLATES_H\n")
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s.write("#define _CODE_TEMPLATES_H\n\n")
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s.write('#include "core/object/object.h"\n')
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s.write('#include "core/object/script_language.h"\n')
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delimiter = "#" # GDScript single line comment delimiter by default.
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if source:
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ext = os.path.splitext(str(source[0]))[1]
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if ext == ".cs":
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delimiter = "//"
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parsed_template_string = ""
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number_of_templates = 0
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for filepath in source:
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filepath = str(filepath)
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node_name = os.path.basename(os.path.dirname(filepath))
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parsed_template = parse_template(node_name, filepath, delimiter)
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parsed_template_string += "\t" + parsed_template
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number_of_templates += 1
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s.write("\nstatic const int TEMPLATES_ARRAY_SIZE = " + str(number_of_templates) + ";\n")
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s.write(
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"\nstatic const struct ScriptLanguage::ScriptTemplate TEMPLATES[" + str(number_of_templates) + "] = {\n"
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)
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s.write(parsed_template_string)
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s.write("};\n")
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s.write("\n#endif\n")
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with open(dst, "w", encoding="utf-8", newline="\n") as f:
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f.write(s.getvalue())
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