cff 0.5.0

A zero-allocation CFF parser.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127

// Copyright 2018 Kyle Mayes
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

//! CFF shared strings.

use tarrasque::{Extract, ExtractResult, Stream};

use super::{Index};

/// The standard strings.
pub const STRINGS: &[&str] = &[
    ".notdef", "space", "exclam", "quotedbl", "numbersign", "dollar", "percent",
    "ampersand", "quoteright", "parenleft", "parenright", "asterisk", "plus",
    "comma", "hyphen", "period", "slash", "zero", "one", "two", "three", "four",
    "five", "six", "seven", "eight", "nine", "colon", "semicolon", "less",
    "equal", "greater", "question", "at", "A", "B", "C", "D", "E", "F", "G",
    "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V",
    "W", "X", "Y", "Z", "bracketleft", "backslash", "bracketright",
    "asciicircum", "underscore", "quoteleft", "a", "b", "c", "d", "e", "f", "g",
    "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v",
    "w", "x", "y", "z", "braceleft", "bar", "braceright", "asciitilde",
    "exclamdown", "cent", "sterling", "fraction", "yen", "florin", "section",
    "currency", "quotesingle", "quotedblleft", "guillemotleft", "guilsinglleft",
    "guilsinglright", "fi", "fl", "endash", "dagger", "daggerdbl",
    "periodcentered", "paragraph", "bullet", "quotesinglbase", "quotedblbase",
    "quotedblright", "guillemotright", "ellipsis", "perthousand",
    "questiondown", "grave", "acute", "circumflex", "tilde", "macron", "breve",
    "dotaccent", "dieresis", "ring", "cedilla", "hungarumlaut", "ogonek",
    "caron", "emdash", "AE", "ordfeminine", "Lslash", "Oslash", "OE",
    "ordmasculine", "ae", "dotlessi", "lslash", "oslash", "oe", "germandbls",
    "onesuperior", "logicalnot", "mu", "trademark", "Eth", "onehalf",
    "plusminus", "Thorn", "onequarter", "divide", "brokenbar", "degree",
    "thorn", "threequarters", "twosuperior", "registered", "minus", "eth",
    "multiply", "threesuperior", "copyright", "Aacute", "Acircumflex",
    "Adieresis", "Agrave", "Aring", "Atilde", "Ccedilla", "Eacute",
    "Ecircumflex", "Edieresis", "Egrave", "Iacute", "Icircumflex", "Idieresis",
    "Igrave", "Ntilde", "Oacute", "Ocircumflex", "Odieresis", "Ograve",
    "Otilde", "Scaron", "Uacute", "Ucircumflex", "Udieresis", "Ugrave",
    "Yacute", "Ydieresis", "Zcaron", "aacute", "acircumflex", "adieresis",
    "agrave", "aring", "atilde", "ccedilla", "eacute", "ecircumflex",
    "edieresis", "egrave", "iacute", "icircumflex", "idieresis", "igrave",
    "ntilde", "oacute", "ocircumflex", "odieresis", "ograve", "otilde",
    "scaron", "uacute", "ucircumflex", "udieresis", "ugrave", "yacute",
    "ydieresis", "zcaron", "exclamsmall", "Hungarumlautsmall", "dollaroldstyle",
    "dollarsuperior", "ampersandsmall", "Acutesmall", "parenleftsuperior",
    "parenrightsuperior", "twodotenleader", "onedotenleader", "zerooldstyle",
    "oneoldstyle", "twooldstyle", "threeoldstyle", "fouroldstyle",
    "fiveoldstyle", "sixoldstyle", "sevenoldstyle", "eightoldstyle",
    "nineoldstyle", "commasuperior", "threequartersemdash", "periodsuperior",
    "questionsmall", "asuperior", "bsuperior", "centsuperior", "dsuperior",
    "esuperior", "isuperior", "lsuperior", "msuperior", "nsuperior",
    "osuperior", "rsuperior", "ssuperior", "tsuperior", "ff", "ffi", "ffl",
    "parenleftinferior", "parenrightinferior", "Circumflexsmall",
    "hyphensuperior", "Gravesmall", "Asmall", "Bsmall", "Csmall", "Dsmall",
    "Esmall", "Fsmall", "Gsmall", "Hsmall", "Ismall", "Jsmall", "Ksmall",
    "Lsmall", "Msmall", "Nsmall", "Osmall", "Psmall", "Qsmall", "Rsmall",
    "Ssmall", "Tsmall", "Usmall", "Vsmall", "Wsmall", "Xsmall", "Ysmall",
    "Zsmall", "colonmonetary", "onefitted", "rupiah", "Tildesmall",
    "exclamdownsmall", "centoldstyle", "Lslashsmall", "Scaronsmall",
    "Zcaronsmall", "Dieresissmall", "Brevesmall", "Caronsmall",
    "Dotaccentsmall", "Macronsmall", "figuredash", "hypheninferior",
    "Ogoneksmall", "Ringsmall", "Cedillasmall", "questiondownsmall",
    "oneeighth", "threeeighths", "fiveeighths", "seveneighths", "onethird",
    "twothirds", "zerosuperior", "foursuperior", "fivesuperior", "sixsuperior",
    "sevensuperior", "eightsuperior", "ninesuperior", "zeroinferior",
    "oneinferior", "twoinferior", "threeinferior", "fourinferior",
    "fiveinferior", "sixinferior", "seveninferior", "eightinferior",
    "nineinferior", "centinferior", "dollarinferior", "periodinferior",
    "commainferior", "Agravesmall", "Aacutesmall", "Acircumflexsmall",
    "Atildesmall", "Adieresissmall", "Aringsmall", "AEsmall", "Ccedillasmall",
    "Egravesmall", "Eacutesmall", "Ecircumflexsmall", "Edieresissmall",
    "Igravesmall", "Iacutesmall", "Icircumflexsmall", "Idieresissmall",
    "Ethsmall", "Ntildesmall", "Ogravesmall", "Oacutesmall", "Ocircumflexsmall",
    "Otildesmall", "Odieresissmall", "OEsmall", "Oslashsmall", "Ugravesmall",
    "Uacutesmall", "Ucircumflexsmall", "Udieresissmall", "Yacutesmall",
    "Thornsmall", "Ydieresissmall", "001.000", "001.001", "001.002", "001.003",
    "Black", "Bold", "Book", "Light", "Medium", "Regular", "Roman", "Semibold",
];

/// An `INDEX` containing a list of shared strings.
#[derive(Copy, Clone, Debug, PartialEq, Eq)]
pub struct Strings<'s>(Index<'s, &'s str>);

impl<'s> Extract<'s, ()> for Strings<'s> {
    #[inline]
    fn extract(stream: &mut Stream<'s>, _: ()) -> ExtractResult<'s, Self> {
        stream.extract(()).map(Strings)
    }
}

impl<'s> Strings<'s> {
    /// Returns the number of strings in this shared strings `INDEX`.
    #[inline]
    pub fn len(&self) -> usize {
        STRINGS.len() + self.0.len()
    }

    /// Returns whether there are no strings in this shared strings `INDEX`.
    #[inline]
    pub fn is_empty(&self) -> bool {
        false
    }

    /// Returns the string for the supplied string ID in this shared strings
    /// `INDEX`.
    #[inline]
    pub fn find_string(
        &self, id: usize
    ) -> Option<ExtractResult<'s, &'s str>> {
        if id < STRINGS.len() {
            Some(Ok(STRINGS[id]))
        } else {
            self.0.parse_object(id - STRINGS.len())
        }
    }
}