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/* GENERATED SOURCE. DO NOT MODIFY. */
// © 2024 and later: Unicode, Inc. and others.
// License & terms of use: https://www.unicode.org/copyright.html
package android.icu.message2;
class StringUtils {
/*
* abnf: content-char = %x01-08 ; omit NULL (%x00), HTAB (%x09) and LF (%x0A)
* abnf: / %x0B-0C ; omit CR (%x0D)
* abnf: / %x0E-1F ; omit SP (%x20)
* abnf: / %x21-2D ; omit . (%x2E)
* abnf: / %x2F-3F ; omit @ (%x40)
* abnf: / %x41-5B ; omit \ (%x5C)
* abnf: / %x5D-7A ; omit { | } (%x7B-7D)
* abnf: / %x7E-D7FF ; omit surrogates
* abnf: / %xE000-10FFFF
*/
static boolean isContentChar(int cp) {
return (cp >= 0x0001 && cp <= 0x0008) // omit HTAB (%x09) and LF (%x0A)
|| (cp >= 0x000B && cp <= 0x000C) // omit CR (%x0D)
|| (cp >= 0x000E && cp <= 0x001F) // omit SP (%x20)
|| (cp >= 0x0021 && cp <= 0x002D) // omit . (%x2E)
|| (cp >= 0x002F && cp <= 0x003F) // omit @ (%x40)
|| (cp >= 0x0041 && cp <= 0x005B) // omit \ (%x5C)
|| (cp >= 0x005D && cp <= 0x007A) // omit { | } (%x7B-7D)
|| (cp >= 0x007E && cp <= 0xD7FF) // omit surrogates
|| (cp >= 0xE000 && cp <= 0x10FFFF);
}
// abnf: text-char = content-char / s / "." / "@" / "|"
static boolean isTextChar(int cp) {
return isContentChar(cp) || isWhitespace(cp) || cp == '.' || cp == '@' || cp == '|';
}
// abnf: backslash = %x5C ; U+005C REVERSE SOLIDUS "\"
static boolean isBackslash(int cp) {
return cp == '\\';
}
/*
* ; Whitespace
* abnf: s = 1*( SP / HTAB / CR / LF / %x3000 )
*/
static boolean isWhitespace(int cp) {
return cp == ' ' || cp == '\t' || cp == '\r' || cp == '\n' || cp == '\u3000';
}
/*
* abnf: name-start = ALPHA / "_"
* abnf: / %xC0-D6 / %xD8-F6 / %xF8-2FF
* abnf: / %x370-37D / %x37F-1FFF / %x200C-200D
* abnf: / %x2070-218F / %x2C00-2FEF / %x3001-D7FF
* abnf: / %xF900-FDCF / %xFDF0-FFFC / %x10000-EFFFF
*/
static boolean isNameStart(int cp) {
return isAlpha(cp)
|| cp == '_'
|| (cp >= 0x00C0 && cp <= 0x00D6)
|| (cp >= 0x00D8 && cp <= 0x00F6)
|| (cp >= 0x00F8 && cp <= 0x02FF)
|| (cp >= 0x0370 && cp <= 0x037D)
|| (cp >= 0x037F && cp <= 0x1FFF)
|| (cp >= 0x200C && cp <= 0x200D)
|| (cp >= 0x2070 && cp <= 0x218F)
|| (cp >= 0x2C00 && cp <= 0x2FEF)
|| (cp >= 0x3001 && cp <= 0xD7FF)
|| (cp >= 0xF900 && cp <= 0xFDCF)
|| (cp >= 0xFDF0 && cp <= 0xFFFC)
|| (cp >= 0x10000 && cp <= 0xEFFFF);
}
/*
* abnf: name-char = name-start / DIGIT / "-" / "."
* abnf: / %xB7 / %x300-36F / %x203F-2040
*/
static boolean isNameChar(int cp) {
return isNameStart(cp)
|| isDigit(cp)
|| cp == '-'
|| cp == '.'
|| cp == 0x00B7
|| (cp >= 0x0300 && cp <= 0x036F)
|| (cp >= 0x203F && cp <= 0x2040);
}
// abnf: private-start = "^" / "&"
static boolean isPrivateStart(int cp) {
return cp == '^' || cp == '&';
}
// abnf: quoted-char = content-char / s / "." / "@" / "{" / "}"
static boolean isQuotedChar(int cp) {
return isContentChar(cp)
|| isWhitespace(cp)
|| cp == '.'
|| cp == '@'
|| cp == '{'
|| cp == '}';
}
// abnf: reserved-char = content-char / "."
static boolean isReservedChar(int cp) {
return isContentChar(cp) || cp == '.';
}
static boolean isSimpleStartChar(int cp) {
return StringUtils.isContentChar(cp)
|| StringUtils.isWhitespace(cp)
|| cp == '@'
|| cp == '|';
}
// ALPHA is predefined in ABNF as plain ASCII, A-Z and a-z
// See https://en.wikipedia.org/wiki/Augmented_Backus%E2%80%93Naur_form
static boolean isAlpha(int cp) {
return (cp >= 'a' && cp <= 'z') || (cp >= 'A' && cp <= 'Z');
}
// DIGIT is predefined in ABNF as plain ASCII, 0-9
// See https://en.wikipedia.org/wiki/Augmented_Backus%E2%80%93Naur_form
static boolean isDigit(int cp) {
return cp >= '0' && cp <= '9';
}
// abnf: function = ":" identifier *(s option)
static boolean isFunctionSigil(int cp) {
return cp == ':';
}
// abnf: private-start = "^" / "&"
static boolean isPrivateAnnotationSigil(int cp) {
return cp == '^' || cp == '&';
}
// abnf: reserved-annotation-start = "!" / "%" / "*" / "+" / "<" / ">" / "?" / "~"
private static final String RESERVED_ANNOTATION_SIGILS = "!%*+<>?~";
static boolean isReservedAnnotationSigil(int cp) {
return RESERVED_ANNOTATION_SIGILS.indexOf(cp) != -1;
}
}
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