diff options
Diffstat (limited to 'vendor/unicode-script/scripts')
| -rw-r--r-- | vendor/unicode-script/scripts/unicode.py | 402 |
1 files changed, 0 insertions, 402 deletions
diff --git a/vendor/unicode-script/scripts/unicode.py b/vendor/unicode-script/scripts/unicode.py deleted file mode 100644 index cb3e2c74..00000000 --- a/vendor/unicode-script/scripts/unicode.py +++ /dev/null @@ -1,402 +0,0 @@ -#!/usr/bin/env python -# -# Copyright 2011-2015 The Rust Project Developers. See the COPYRIGHT -# file at the top-level directory of this distribution and at -# http://rust-lang.org/COPYRIGHT. -# -# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or -# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license -# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your -# option. This file may not be copied, modified, or distributed -# except according to those terms. - -# This script uses the following Unicode tables: -# - PropertyValueAliases.txt -# - ScriptExtensions.txt -# - Scripts.txt -# -# Since this should not require frequent updates, we just store this -# out-of-line and check the unicode.rs file into git. - -import fileinput, re, os, sys - -preamble = '''// Copyright 2012-2018 The Rust Project Developers. See the COPYRIGHT -// file at the top-level directory of this distribution and at -// http://rust-lang.org/COPYRIGHT. -// -// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or -// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license -// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your -// option. This file may not be copied, modified, or distributed -// except according to those terms. - -// NOTE: The following code was generated by "scripts/unicode.py", do not edit directly - -#![allow(missing_docs, non_upper_case_globals, non_snake_case)] - -pub use tables_impl::*; - -#[rustfmt::skip] -mod tables_impl { -use crate::ScriptExtension; -''' - -# Close `mod impl {` -ending=''' -} -''' - -UNICODE_VERSION = (16, 0, 0) - -UNICODE_VERSION_NUMBER = "%s.%s.%s" %UNICODE_VERSION - -def escape_char(c): - return "'\\u{%x}'" % c - -def fetch(f): - if not os.path.exists(os.path.basename(f)): - if "emoji" in f: - os.system("curl -O https://www.unicode.org/Public/emoji/%s.%s/%s" - % (UNICODE_VERSION[0], UNICODE_VERSION[1], f)) - else: - os.system("curl -O https://www.unicode.org/Public/%s/ucd/%s" - % (UNICODE_VERSION_NUMBER, f)) - - if not os.path.exists(os.path.basename(f)): - sys.stderr.write("cannot load %s" % f) - exit(1) - -def group_cats(cats): - cats_out = {} - for cat in cats: - cats_out[cat] = group_cat(cats[cat]) - return cats_out - -def aliases(): - """ - Fetch the shorthand aliases for each longhand Script name - """ - fetch("PropertyValueAliases.txt") - longforms = {} - shortforms = {} - re1 = re.compile(r"^ *sc *; *(\w+) *; *(\w+)") - for line in fileinput.input(os.path.basename("PropertyValueAliases.txt")): - m = re1.match(line) - if m: - l = m.group(2).strip() - s = m.group(1).strip() - assert(s not in longforms) - assert(l not in shortforms) - longforms[s] = l - shortforms[l] = s - else: - continue - - return (longforms, shortforms) - -def format_table_content(f, content, indent): - line = " "*indent - first = True - for chunk in content.split(","): - if len(line) + len(chunk) < 98: - if first: - line += chunk - else: - line += ", " + chunk - first = False - else: - f.write(line + ",\n") - line = " "*indent + chunk - f.write(line) - -# Implementation from unicode-segmentation -def load_properties(f, interestingprops): - fetch(f) - props = {} - # Note: these regexes are different from those in unicode-segmentation, - # becase we need to handle spaces here - re1 = re.compile(r"^ *([0-9A-F]+) *; *([^#]+) *#") - re2 = re.compile(r"^ *([0-9A-F]+)\.\.([0-9A-F]+) *; *([^#]+) *#") - - for line in fileinput.input(os.path.basename(f)): - prop = None - d_lo = 0 - d_hi = 0 - m = re1.match(line) - if m: - d_lo = m.group(1) - d_hi = m.group(1) - prop = m.group(2).strip() - else: - m = re2.match(line) - if m: - d_lo = m.group(1) - d_hi = m.group(2) - prop = m.group(3).strip() - else: - continue - if interestingprops and prop not in interestingprops: - continue - d_lo = int(d_lo, 16) - d_hi = int(d_hi, 16) - if prop not in props: - props[prop] = [] - props[prop].append((d_lo, d_hi)) - - return props - -# Implementation from unicode-segmentation -def emit_table(f, name, t_data, t_type = "&'static [(char, char)]", is_pub=True, - pfun=lambda x: "(%s,%s)" % (escape_char(x[0]), escape_char(x[1])), is_const=True): - pub_string = "const" - if not is_const: - pub_string = "let" - if is_pub: - pub_string = "pub " + pub_string - f.write(" %s %s: %s = &[\n" % (pub_string, name, t_type)) - data = "" - first = True - for dat in t_data: - if not first: - data += "," - first = False - data += pfun(dat) - format_table_content(f, data, 8) - f.write("\n ];\n\n") - -def emit_search(f): - f.write(""" -pub fn bsearch_range_value_table<T: Copy>(c: char, r: &'static [(char, char, T)]) -> Option<T> { - use core::cmp::Ordering::{Equal, Less, Greater}; - match r.binary_search_by(|&(lo, hi, _)| { - if lo <= c && c <= hi { Equal } - else if hi < c { Less } - else { Greater } - }) { - Ok(idx) => { - let (_, _, cat) = r[idx]; - Some(cat) - } - Err(_) => None - } -} - -#[inline] -pub fn get_script(c: char) -> Option<Script> { - bsearch_range_value_table(c, SCRIPTS) -} - -#[inline] -pub fn get_script_extension(c: char) -> Option<ScriptExtension> { - bsearch_range_value_table(c, SCRIPT_EXTENSIONS) -} -""") - -def emit_enums(f, script_list, extension_list, longforms): - """ - Emit the Script and ScriptExtension enums as well as any related utility functions - """ - - f.write(""" -#[derive(Clone, Copy, PartialEq, Eq, Debug, Hash)] -#[non_exhaustive] -#[allow(non_camel_case_types)] -#[repr(u8)] -/// A value of the `Script` property -pub enum Script { - /// Unknown script - Unknown = 0xFF, - /// Zyyy - Common = 0xFE, - /// Zinh, - Inherited = 0xFD, -""") - for (i, script) in enumerate(script_list): - f.write(" /// %s\n %s = %s,\n" % (script, longforms[script], i)) - f.write("}\n") - f.write("pub const NEXT_SCRIPT: u8 = %s;" % len(script_list)) - f.write(""" - -pub mod script_extensions { - use crate::ScriptExtension; - pub const COMMON: ScriptExtension = ScriptExtension::new_common(); - pub const INHERITED: ScriptExtension = ScriptExtension::new_inherited(); - pub const UNKNOWN: ScriptExtension = ScriptExtension::new_unknown(); -""") - for (i, script) in enumerate(script_list): - first = 0 - second = 0 - third = 0 - # need to replace L because `hex()` will spit out an L suffix for larger numbers - if i < 64: - first = hex(1 << i).replace("L", "") - elif i < 128: - second = hex(1 << (i - 64)).replace("L", "") - else: - third = hex(1 << (i - 128)).replace("L", "") - f.write(" /// %s\n pub const %s: ScriptExtension = ScriptExtension::new(%s, %s, %s);\n" % - (longforms[script], longforms[script].upper(), first, second, third)) - if script != longforms[script]: - f.write(" /// %s\n pub const %s: ScriptExtension = %s;\n" % - (longforms[script], script.upper(), longforms[script].upper())) - for ext in extension_list: - longform = ", ".join([longforms[s] for s in ext]) - name = "_".join([s.upper() for s in ext]) - expr = ext[0].upper() - for e in ext[1:]: - expr = "%s.union(%s)" % (expr, e.upper()) - f.write(" /// %s\n pub const %s: ScriptExtension = %s;\n" % (longform, name, expr)) - f.write("""} - -""") - - # Generate implementation for the `Script` - generate_script_impl(f) - - -def generate_script_impl(f): - """Generates an `impl Script { ... }` section with all the required functions""" - - # Open `impl Script` section. - f.write("""impl Script { -""") - - # Generate impl of `inner_full_name`. - f.write(""" - #[inline] - pub(crate) fn inner_full_name(self) -> &'static str { - match self { - Script::Unknown => "Unknown", - Script::Common => "Common", - Script::Inherited => "Inherited", -""") - for script in script_list: - f.write(" Script::%s => \"%s\",\n" % (longforms[script], longforms[script])) - f.write(""" } - } -""") - - # Generate impl of `inner_from_full_name`. - f.write(""" - #[inline] - pub(crate) fn inner_from_full_name(input: &str) -> Option<Self> { - match input { - "Unknown" => Some(Script::Unknown), - "Common" => Some(Script::Common), - "Inherited" => Some(Script::Inherited), -""") - for script in script_list: - f.write(" \"%s\" => Some(Script::%s),\n" % (longforms[script], longforms[script])) - f.write(" _ => None,\n" ) - f.write(""" } - } -""") - - # Generate impl of `inner_short_name` - f.write(""" - #[inline] - pub(crate) fn inner_short_name(self) -> &'static str { - match self { - Script::Unknown => "", - Script::Common => "Zyyy", - Script::Inherited => "Zinh", -""") - for script in script_list: - f.write(" Script::%s => \"%s\",\n" % (longforms[script], script)) - f.write(""" } - } -""") - - # Generate impl of `inner_from_short_name` - f.write(""" - #[inline] - pub(crate) fn inner_from_short_name(input: &str) -> Option<Self> { - match input { - "Zyyy" => Some(Script::Common), - "Zinh" => Some(Script::Inherited), -""") - for script in script_list: - f.write(" \"%s\" => Some(Script::%s),\n" % (script, longforms[script])) - f.write(""" _ => None,\n""") - f.write(""" } - } -""") - - # Generate impl of `for_integer` - f.write(""" - #[inline] - pub(crate) fn for_integer(value: u8) -> Self { - match value { -""") - for (i, script) in enumerate(script_list): - f.write(" %s => Script::%s,\n" % (i, longforms[script])) - f.write(""" _ => unreachable!(), - } - } -""") - - # Close `impl Script` section - f.write(""" -} -""") - -def extension_name(ext): - """Get the rust source for a given ScriptExtension""" - return "script_extensions::%s" % "_".join([e.upper() for e in ext]) - - -if __name__ == "__main__": - r = "tables.rs" - if os.path.exists(r): - os.remove(r) - with open(r, "w") as rf: - # write the file's preamble - rf.write(preamble) - rf.write(""" -/// The version of [Unicode](http://www.unicode.org/) -/// that this version of unicode-script is based on. -pub const UNICODE_VERSION: (u64, u64, u64) = (%s, %s, %s); -""" % UNICODE_VERSION) - - - (longforms, shortforms) = aliases() - - scripts = load_properties("Scripts.txt", []) - - script_table = [] - script_list = [] - - for script in scripts: - if script not in ["Common", "Unknown", "Inherited"]: - script_list.append(shortforms[script]) - script_table.extend([(x, y, shortforms[script]) for (x, y) in scripts[script]]) - script_list.sort() - script_table.sort(key=lambda w: w[0]) - - - extensions = load_properties("ScriptExtensions.txt", []) - extension_table = [] - extension_list = [] - - for ext in extensions: - split = ext.split(" ") - split.sort() - output_ext = [ext] - if len(split) > 1: - extension_list.append(split) - output_ext = split - extension_table.extend([(x, y, output_ext) for (x, y) in extensions[ext]]) - extension_table.sort(key=lambda w: w[0]) - - - emit_enums(rf, script_list, extension_list, longforms) - emit_search(rf) - - emit_table(rf, "SCRIPTS", script_table, t_type = "&'static [(char, char, Script)]", - is_pub=False , pfun=lambda x: "(%s,%s, Script::%s)" % (escape_char(x[0]), escape_char(x[1]), longforms[x[2]])) - emit_table(rf, "SCRIPT_EXTENSIONS", extension_table, t_type = "&'static [(char, char, ScriptExtension)]", - is_pub=False , pfun=lambda x: "(%s,%s,%s)" % (escape_char(x[0]), escape_char(x[1]), extension_name(x[2]))) - - # emit_table(rf, "FOObar", properties) - - rf.write(ending) |
