Add m-esr52 at 52.6.0

1 files changed, 372 insertions, 0 deletions

diff --git a/third_party/rust/unicode-normalization/scripts/unicode.py b/third_party/rust/unicode-normalization/scripts/unicode.py
new file mode 100755
index 000000000..1b0ef9f52
--- /dev/null
+++ b/third_party/rust/unicode-normalization/scripts/unicode.py
@@ -0,0 +1,372 @@
+#!/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:
+# - DerivedNormalizationProps.txt
+# - ReadMe.txt
+# - UnicodeData.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 2012-2015 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.
+
+// NOTE: The following code was generated by "scripts/unicode.py", do not edit directly
+
+#![allow(missing_docs, non_upper_case_globals, non_snake_case)]
+'''
+
+# Mapping taken from Table 12 from:
+# http://www.unicode.org/reports/tr44/#General_Category_Values
+expanded_categories = {
+    'Lu': ['LC', 'L'], 'Ll': ['LC', 'L'], 'Lt': ['LC', 'L'],
+    'Lm': ['L'], 'Lo': ['L'],
+    'Mn': ['M'], 'Mc': ['M'], 'Me': ['M'],
+    'Nd': ['N'], 'Nl': ['N'], 'No': ['No'],
+    'Pc': ['P'], 'Pd': ['P'], 'Ps': ['P'], 'Pe': ['P'],
+    'Pi': ['P'], 'Pf': ['P'], 'Po': ['P'],
+    'Sm': ['S'], 'Sc': ['S'], 'Sk': ['S'], 'So': ['S'],
+    'Zs': ['Z'], 'Zl': ['Z'], 'Zp': ['Z'],
+    'Cc': ['C'], 'Cf': ['C'], 'Cs': ['C'], 'Co': ['C'], 'Cn': ['C'],
+}
+
+# these are the surrogate codepoints, which are not valid rust characters
+surrogate_codepoints = (0xd800, 0xdfff)
+
+def fetch(f):
+    if not os.path.exists(os.path.basename(f)):
+        os.system("curl -O http://www.unicode.org/Public/UNIDATA/%s"
+                  % f)
+
+    if not os.path.exists(os.path.basename(f)):
+        sys.stderr.write("cannot load %s" % f)
+        exit(1)
+
+def is_surrogate(n):
+    return surrogate_codepoints[0] <= n <= surrogate_codepoints[1]
+
+def load_unicode_data(f):
+    fetch(f)
+    combines = {}
+    canon_decomp = {}
+    compat_decomp = {}
+    general_category_mark = []
+
+    udict = {};
+    range_start = -1;
+    for line in fileinput.input(f):
+        data = line.split(';');
+        if len(data) != 15:
+            continue
+        cp = int(data[0], 16);
+        if is_surrogate(cp):
+            continue
+        if range_start >= 0:
+            for i in xrange(range_start, cp):
+                udict[i] = data;
+            range_start = -1;
+        if data[1].endswith(", First>"):
+            range_start = cp;
+            continue;
+        udict[cp] = data;
+
+    for code in udict:
+        [code_org, name, gencat, combine, bidi,
+         decomp, deci, digit, num, mirror,
+         old, iso, upcase, lowcase, titlecase ] = udict[code];
+
+        # store decomposition, if given
+        if decomp != "":
+            if decomp.startswith('<'):
+                seq = []
+                for i in decomp.split()[1:]:
+                    seq.append(int(i, 16))
+                compat_decomp[code] = seq
+            else:
+                seq = []
+                for i in decomp.split():
+                    seq.append(int(i, 16))
+                canon_decomp[code] = seq
+
+        # record combining class, if any
+        if combine != "0":
+            if combine not in combines:
+                combines[combine] = []
+            combines[combine].append(code)
+
+        if 'M' in [gencat] + expanded_categories.get(gencat, []):
+            general_category_mark.append(code)
+    general_category_mark = group_cat(general_category_mark)
+
+    combines = to_combines(group_cats(combines))
+
+    return (canon_decomp, compat_decomp, combines, general_category_mark)
+
+def group_cats(cats):
+    cats_out = {}
+    for cat in cats:
+        cats_out[cat] = group_cat(cats[cat])
+    return cats_out
+
+def group_cat(cat):
+    cat_out = []
+    letters = sorted(set(cat))
+    cur_start = letters.pop(0)
+    cur_end = cur_start
+    for letter in letters:
+        assert letter > cur_end, \
+            "cur_end: %s, letter: %s" % (hex(cur_end), hex(letter))
+        if letter == cur_end + 1:
+            cur_end = letter
+        else:
+            cat_out.append((cur_start, cur_end))
+            cur_start = cur_end = letter
+    cat_out.append((cur_start, cur_end))
+    return cat_out
+
+def ungroup_cat(cat):
+    cat_out = []
+    for (lo, hi) in cat:
+        while lo <= hi:
+            cat_out.append(lo)
+            lo += 1
+    return cat_out
+
+def to_combines(combs):
+    combs_out = []
+    for comb in combs:
+        for (lo, hi) in combs[comb]:
+            combs_out.append((lo, hi, comb))
+    combs_out.sort(key=lambda comb: comb[0])
+    return combs_out
+
+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)
+
+def load_properties(f, interestingprops):
+    fetch(f)
+    props = {}
+    re1 = re.compile("^ *([0-9A-F]+) *; *(\w+)")
+    re2 = re.compile("^ *([0-9A-F]+)\.\.([0-9A-F]+) *; *(\w+)")
+
+    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)
+        else:
+            m = re2.match(line)
+            if m:
+                d_lo = m.group(1)
+                d_hi = m.group(2)
+                prop = m.group(3)
+            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))
+
+    # optimize if possible
+    for prop in props:
+        props[prop] = group_cat(ungroup_cat(props[prop]))
+
+    return props
+
+def escape_char(c):
+    return "'\\u{%x}'" % c
+
+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]))):
+    pub_string = ""
+    if is_pub:
+        pub_string = "pub "
+    f.write("    %sconst %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_norm_module(f, canon, compat, combine, norm_props, general_category_mark):
+    canon_keys = canon.keys()
+    canon_keys.sort()
+
+    compat_keys = compat.keys()
+    compat_keys.sort()
+
+    canon_comp = {}
+    comp_exclusions = norm_props["Full_Composition_Exclusion"]
+    for char in canon_keys:
+        if True in map(lambda (lo, hi): lo <= char <= hi, comp_exclusions):
+            continue
+        decomp = canon[char]
+        if len(decomp) == 2:
+            if not canon_comp.has_key(decomp[0]):
+                canon_comp[decomp[0]] = []
+            canon_comp[decomp[0]].append( (decomp[1], char) )
+    canon_comp_keys = canon_comp.keys()
+    canon_comp_keys.sort()
+
+    f.write("pub mod normalization {\n")
+
+    def mkdata_fun(table):
+        def f(char):
+            data = "(%s,&[" % escape_char(char)
+            first = True
+            for d in table[char]:
+                if not first:
+                    data += ","
+                first = False
+                data += escape_char(d)
+            data += "])"
+            return data
+        return f
+
+    f.write("    // Canonical decompositions\n")
+    emit_table(f, "canonical_table", canon_keys, "&'static [(char, &'static [char])]",
+        pfun=mkdata_fun(canon))
+
+    f.write("    // Compatibility decompositions\n")
+    emit_table(f, "compatibility_table", compat_keys, "&'static [(char, &'static [char])]",
+        pfun=mkdata_fun(compat))
+
+    def comp_pfun(char):
+        data = "(%s,&[" % escape_char(char)
+        canon_comp[char].sort(lambda x, y: x[0] - y[0])
+        first = True
+        for pair in canon_comp[char]:
+            if not first:
+                data += ","
+            first = False
+            data += "(%s,%s)" % (escape_char(pair[0]), escape_char(pair[1]))
+        data += "])"
+        return data
+
+    f.write("    // Canonical compositions\n")
+    emit_table(f, "composition_table", canon_comp_keys,
+        "&'static [(char, &'static [(char, char)])]", pfun=comp_pfun)
+
+    f.write("""
+    fn bsearch_range_value_table(c: char, r: &'static [(char, char, u8)]) -> u8 {
+        use std::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 (_, _, result) = r[idx];
+                result
+            }
+            Err(_) => 0
+        }
+    }\n
+""")
+
+    emit_table(f, "combining_class_table", combine, "&'static [(char, char, u8)]", is_pub=False,
+            pfun=lambda x: "(%s,%s,%s)" % (escape_char(x[0]), escape_char(x[1]), x[2]))
+
+    f.write("    pub fn canonical_combining_class(c: char) -> u8 {\n"
+        + "        bsearch_range_value_table(c, combining_class_table)\n"
+        + "    }\n")
+
+    f.write("""
+    fn bsearch_range_table(c: char, r: &'static [(char, char)]) -> bool {
+        use std::cmp::Ordering::{Equal, Less, Greater};
+        r.binary_search_by(|&(lo, hi)| {
+             if lo <= c && c <= hi {
+                 Equal
+             } else if hi < c {
+                 Less
+             } else {
+                 Greater
+             }
+         })
+         .is_ok()
+    }
+
+    /// Return whether the given character is a combining mark (`General_Category=Mark`)
+    pub fn is_combining_mark(c: char) -> bool {
+        bsearch_range_table(c, general_category_mark)
+    }
+
+""")
+
+    emit_table(f, "general_category_mark", combine, "&'static [(char, char)]", is_pub=False,
+            pfun=lambda x: "(%s,%s)" % (escape_char(x[0]), escape_char(x[1])))
+
+    f.write("""
+}
+
+""")
+
+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)
+
+        # download and parse all the data
+        fetch("ReadMe.txt")
+        with open("ReadMe.txt") as readme:
+            pattern = "for Version (\d+)\.(\d+)\.(\d+) of the Unicode"
+            unicode_version = re.search(pattern, readme.read()).groups()
+        rf.write("""
+/// The version of [Unicode](http://www.unicode.org/)
+/// that this version of unicode-normalization is based on.
+pub const UNICODE_VERSION: (u64, u64, u64) = (%s, %s, %s);
+
+""" % unicode_version)
+        (canon_decomp, compat_decomp, combines, general_category_mark) = \
+            load_unicode_data("UnicodeData.txt")
+        norm_props = load_properties("DerivedNormalizationProps.txt",
+                     ["Full_Composition_Exclusion"])
+
+        # normalizations and conversions module
+        emit_norm_module(rf, canon_decomp, compat_decomp, combines, norm_props,
+                         general_category_mark)