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godot/core/core_builders.py

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"""Functions used to generate source files during build time"""
import zlib
def escape_string(s):
def charcode_to_c_escapes(c):
rev_result = []
while c >= 256:
c, low = (c // 256, c % 256)
rev_result.append("\\%03o" % low)
rev_result.append("\\%03o" % c)
return "".join(reversed(rev_result))
result = ""
if isinstance(s, str):
s = s.encode("utf-8")
for c in s:
if not (32 <= c < 127) or c in (ord("\\"), ord('"')):
result += charcode_to_c_escapes(c)
else:
result += chr(c)
return result
def make_certs_header(target, source, env):
src = str(source[0])
dst = str(target[0])
with open(src, "rb") as f, open(dst, "w", encoding="utf-8", newline="\n") as g:
buf = f.read()
decomp_size = len(buf)
# Use maximum zlib compression level to further reduce file size
# (at the cost of initial build times).
buf = zlib.compress(buf, zlib.Z_BEST_COMPRESSION)
g.write("/* THIS FILE IS GENERATED DO NOT EDIT */\n")
g.write("#ifndef CERTS_COMPRESSED_GEN_H\n")
g.write("#define CERTS_COMPRESSED_GEN_H\n")
# System certs path. Editor will use them if defined. (for package maintainers)
path = env["system_certs_path"]
g.write('#define _SYSTEM_CERTS_PATH "%s"\n' % str(path))
if env["builtin_certs"]:
# Defined here and not in env so changing it does not trigger a full rebuild.
g.write("#define BUILTIN_CERTS_ENABLED\n")
g.write("static const int _certs_compressed_size = " + str(len(buf)) + ";\n")
g.write("static const int _certs_uncompressed_size = " + str(decomp_size) + ";\n")
g.write("static const unsigned char _certs_compressed[] = {\n")
for i in range(len(buf)):
g.write("\t" + str(buf[i]) + ",\n")
g.write("};\n")
g.write("#endif // CERTS_COMPRESSED_GEN_H")
def make_authors_header(target, source, env):
sections = [
"Project Founders",
"Lead Developer",
"Project Manager",
"Developers",
]
sections_id = [
"AUTHORS_FOUNDERS",
"AUTHORS_LEAD_DEVELOPERS",
"AUTHORS_PROJECT_MANAGERS",
"AUTHORS_DEVELOPERS",
]
src = str(source[0])
dst = str(target[0])
with open(src, "r", encoding="utf-8") as f, open(dst, "w", encoding="utf-8", newline="\n") as g:
g.write("/* THIS FILE IS GENERATED DO NOT EDIT */\n")
g.write("#ifndef AUTHORS_GEN_H\n")
g.write("#define AUTHORS_GEN_H\n")
reading = False
def close_section():
g.write("\t0\n")
g.write("};\n")
for line in f:
if reading:
if line.startswith(" "):
g.write('\t"' + escape_string(line.strip()) + '",\n')
continue
if line.startswith("## "):
if reading:
close_section()
reading = False
for section, section_id in zip(sections, sections_id):
if line.strip().endswith(section):
current_section = escape_string(section_id)
reading = True
g.write("const char *const " + current_section + "[] = {\n")
break
if reading:
close_section()
g.write("#endif // AUTHORS_GEN_H\n")
def make_donors_header(target, source, env):
sections = [
"Patrons",
"Platinum sponsors",
"Gold sponsors",
"Silver sponsors",
"Diamond members",
"Titanium members",
"Platinum members",
"Gold members",
]
sections_id = [
"DONORS_PATRONS",
"DONORS_SPONSORS_PLATINUM",
"DONORS_SPONSORS_GOLD",
"DONORS_SPONSORS_SILVER",
"DONORS_MEMBERS_DIAMOND",
"DONORS_MEMBERS_TITANIUM",
"DONORS_MEMBERS_PLATINUM",
"DONORS_MEMBERS_GOLD",
]
src = str(source[0])
dst = str(target[0])
with open(src, "r", encoding="utf-8") as f, open(dst, "w", encoding="utf-8", newline="\n") as g:
g.write("/* THIS FILE IS GENERATED DO NOT EDIT */\n")
g.write("#ifndef DONORS_GEN_H\n")
g.write("#define DONORS_GEN_H\n")
reading = False
def close_section():
g.write("\t0\n")
g.write("};\n")
for line in f:
if reading >= 0:
if line.startswith(" "):
g.write('\t"' + escape_string(line.strip()) + '",\n')
continue
if line.startswith("## "):
if reading:
close_section()
reading = False
for section, section_id in zip(sections, sections_id):
if line.strip().endswith(section):
current_section = escape_string(section_id)
reading = True
g.write("const char *const " + current_section + "[] = {\n")
break
if reading:
close_section()
g.write("#endif // DONORS_GEN_H\n")
def make_license_header(target, source, env):
src_copyright = str(source[0])
src_license = str(source[1])
dst = str(target[0])
class LicenseReader:
def __init__(self, license_file):
self._license_file = license_file
self.line_num = 0
self.current = self.next_line()
def next_line(self):
line = self._license_file.readline()
self.line_num += 1
while line.startswith("#"):
line = self._license_file.readline()
self.line_num += 1
self.current = line
return line
def next_tag(self):
if ":" not in self.current:
return ("", [])
tag, line = self.current.split(":", 1)
lines = [line.strip()]
while self.next_line() and self.current.startswith(" "):
lines.append(self.current.strip())
return (tag, lines)
from collections import OrderedDict
projects: dict = OrderedDict()
license_list = []
with open(src_copyright, "r", encoding="utf-8") as copyright_file:
reader = LicenseReader(copyright_file)
part = {}
while reader.current:
tag, content = reader.next_tag()
if tag in ("Files", "Copyright", "License"):
part[tag] = content[:]
elif tag == "Comment":
# attach part to named project
projects[content[0]] = projects.get(content[0], []) + [part]
if not tag or not reader.current:
# end of a paragraph start a new part
if "License" in part and "Files" not in part:
# no Files tag in this one, so assume standalone license
license_list.append(part["License"])
part = {}
reader.next_line()
data_list: list = []
for project in iter(projects.values()):
for part in project:
part["file_index"] = len(data_list)
data_list += part["Files"]
part["copyright_index"] = len(data_list)
data_list += part["Copyright"]
with open(dst, "w", encoding="utf-8", newline="\n") as f:
f.write("/* THIS FILE IS GENERATED DO NOT EDIT */\n")
f.write("#ifndef LICENSE_GEN_H\n")
f.write("#define LICENSE_GEN_H\n")
f.write("const char *const GODOT_LICENSE_TEXT =")
with open(src_license, "r", encoding="utf-8") as license_file:
for line in license_file:
escaped_string = escape_string(line.strip())
f.write('\n\t\t"' + escaped_string + '\\n"')
f.write(";\n\n")
f.write(
"struct ComponentCopyrightPart {\n"
"\tconst char *license;\n"
"\tconst char *const *files;\n"
"\tconst char *const *copyright_statements;\n"
"\tint file_count;\n"
"\tint copyright_count;\n"
"};\n\n"
)
f.write(
"struct ComponentCopyright {\n"
"\tconst char *name;\n"
"\tconst ComponentCopyrightPart *parts;\n"
"\tint part_count;\n"
"};\n\n"
)
f.write("const char *const COPYRIGHT_INFO_DATA[] = {\n")
for line in data_list:
f.write('\t"' + escape_string(line) + '",\n')
f.write("};\n\n")
f.write("const ComponentCopyrightPart COPYRIGHT_PROJECT_PARTS[] = {\n")
part_index = 0
part_indexes = {}
for project_name, project in iter(projects.items()):
part_indexes[project_name] = part_index
for part in project:
f.write(
'\t{ "'
+ escape_string(part["License"][0])
+ '", '
+ "&COPYRIGHT_INFO_DATA["
+ str(part["file_index"])
+ "], "
+ "&COPYRIGHT_INFO_DATA["
+ str(part["copyright_index"])
+ "], "
+ str(len(part["Files"]))
+ ", "
+ str(len(part["Copyright"]))
+ " },\n"
)
part_index += 1
f.write("};\n\n")
f.write("const int COPYRIGHT_INFO_COUNT = " + str(len(projects)) + ";\n")
f.write("const ComponentCopyright COPYRIGHT_INFO[] = {\n")
for project_name, project in iter(projects.items()):
f.write(
'\t{ "'
+ escape_string(project_name)
+ '", '
+ "&COPYRIGHT_PROJECT_PARTS["
+ str(part_indexes[project_name])
+ "], "
+ str(len(project))
+ " },\n"
)
f.write("};\n\n")
f.write("const int LICENSE_COUNT = " + str(len(license_list)) + ";\n")
f.write("const char *const LICENSE_NAMES[] = {\n")
for license in license_list:
f.write('\t"' + escape_string(license[0]) + '",\n')
f.write("};\n\n")
f.write("const char *const LICENSE_BODIES[] = {\n\n")
for license in license_list:
for line in license[1:]:
if line == ".":
f.write('\t"\\n"\n')
else:
f.write('\t"' + escape_string(line) + '\\n"\n')
f.write('\t"",\n\n')
f.write("};\n\n")
f.write("#endif // LICENSE_GEN_H\n")
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