HeteQuadrature/gjj/polyhedronReader.py

import re

# 读取输入文件
with open("PMCases/PolyDifPolyThickFace/entDataZJU_Des.txt", "r") as file:
    data = file.read()

# 使用正则表达式提取vertexInfo和indexInfo
vertex_info_match = re.findall(r"vertexInfo:\s*([\d\.\-,;\s]+)", data)
index_info_match = re.findall(r"indexInfo:\s*([\d,;\s]+)", data)
face_info_match = re.findall(r"faceInfo:\s*([\d;,;\s]+)", data)

if not vertex_info_match or not index_info_match or not face_info_match:
    raise ValueError("Input data format is incorrect")

# 合并所有匹配到的vertexInfo
vertex_info = []
for match in vertex_info_match:
    vertex_info.extend(match.split(";"))

# 合并所有匹配到的indexInfo
index_info = []
for match in index_info_match:
    index_info.extend(match.split(","))

# 合并所有匹配到的faceInfo
face_info = []
for match in face_info_match:
    face_info.extend(match.split(";"))

# 转换vertexInfo为uvector3格式
vertex_list = [
    f"uvector3{{{', '.join(v.split(','))}}}" for v in vertex_info if v.strip()
]

# 转换indexInfo为整数列表
index_list = [str(i) for i in index_info if i.strip()]

# 转换faceInfo为uvector2i格式
face_list = [f"uvector2i{{{', '.join(f.split(','))}}}" for f in face_info if f.strip()]

# 生成C++代码
cpp_code = f"""primitiveDescriptions[0] = std::make_shared<MeshDesc>(MeshDesc(
    {{
        {', '.join(vertex_list)}
    }},
    {{{','.join(index_list)}}},
    {{{', '.join(face_list)}}}
));"""

# 输出结果
print(cpp_code)

# 将结果写入文件
with open("output.cpp", "w") as file:
    file.write(cpp_code)