Immutable strings of characters.

Introduced properties

protected fun first_byte=(first_byte: Int)

core :: FlatString :: first_byte=

Index at which self begins in _items, inclusively

Redefined properties

redef fun *(i: Int): SELFTYPE

core $ FlatString :: *

Concatenates self i times
redef fun +(o: Text): SELFTYPE

core :: ropes $ FlatString :: +

Concatenates o to self
redef fun +(o: Text): SELFTYPE

core $ FlatString :: +

Concatenates o to self
redef fun <(other: OTHER): Bool

core $ FlatString :: <

Is self lesser than other?
redef fun ==(other: nullable Object): Bool

core $ FlatString :: ==

Have self and other the same value?
redef type SELF: FlatString

core $ FlatString :: SELF

Type of this instance, automatically specialized in every class
redef fun basename(extension: nullable String): String

core :: file $ FlatString :: basename

Extract the basename of a path and strip the extension
redef fun byte_length: Int

text_stat :: text_stat $ FlatString :: byte_length

Number of bytes in self
redef fun bytepos: Int

text_stat :: text_stat $ FlatString :: bytepos

Cached position (bytes) in the CString underlying the String
redef fun bytepos=(p: Int)

text_stat :: text_stat $ FlatString :: bytepos=

Cached position (bytes) in the CString underlying the String
redef fun bytes: SequenceRead[Int]

core $ FlatString :: bytes

Gets a view on the bytes of the Text object
redef fun char_to_byte_index(i: Int): Int

text_stat :: text_stat $ FlatString :: char_to_byte_index

Index of the character index in _items
redef fun chars: SequenceRead[Char]

core $ FlatString :: chars

Gets a view on the chars of the Text object
redef fun empty: SELFTYPE

core $ FlatString :: empty

Returns an empty Text of the right type
redef fun fast_cstring: CString

core $ FlatString :: fast_cstring

Returns a char* starting at position first_byte
redef fun file_extension: nullable String

core :: file $ FlatString :: file_extension

Return right-most extension (without the dot)
redef fun first_byte: Int

core $ FlatString :: first_byte

Index at which self begins in _items, inclusively
redef fun first_byte: Int

text_stat :: text_stat $ FlatString :: first_byte

First byte of the CString
redef fun first_byte=(v: Int)

text_stat :: text_stat $ FlatString :: first_byte=

Index at which self begins in _items, inclusively
redef fun hash: Int

core $ FlatString :: hash

The hash code of the object.
redef fun insert_at(s: String, pos: Int): SELFTYPE

core :: ropes $ FlatString :: insert_at

Insert s at pos.
redef fun last_byte: Int

text_stat :: text_stat $ FlatString :: last_byte

Last byte of the CString
redef fun length: Int

text_stat :: text_stat $ FlatString :: length

Number of characters contained in self.
redef fun output

core $ FlatString :: output

Display self on stdout (debug only).
redef fun position: Int

text_stat :: text_stat $ FlatString :: position

Cache of the latest position (char) explored in the string
redef fun position=(p: Int)

text_stat :: text_stat $ FlatString :: position=

Cache of the latest position (char) explored in the string
redef fun reversed: SELFTYPE

core $ FlatString :: reversed

Returns a reversed version of self
redef fun substring(from: Int, count: Int): SELFTYPE

core $ FlatString :: substring

Create a substring.
redef fun to_cstring: CString

core $ FlatString :: to_cstring

Return a null terminated char *
redef fun to_lower: SELFTYPE

core $ FlatString :: to_lower

A lower case version of self
redef fun to_upper: SELFTYPE

core $ FlatString :: to_upper

A upper case version of self

All properties

fun !=(other: nullable Object): Bool

core :: Object :: !=

Have self and other different values?
abstract fun *(i: Int): SELFTYPE

core :: Text :: *

Concatenates self i times
abstract fun +(o: Text): SELFTYPE

core :: Text :: +

Concatenates o to self
fun /(path: Text): String

core :: Text :: /

Alias for join_path
abstract fun <(other: OTHER): Bool

core :: Comparable :: <

Is self lesser than other?
fun <=(other: OTHER): Bool

core :: Comparable :: <=

not other < self
fun <=>(other: OTHER): Int

core :: Comparable :: <=>

-1 if <, +1 if > and 0 otherwise
fun ==(other: nullable Object): Bool

core :: Object :: ==

Have self and other the same value?
fun >(other: OTHER): Bool

core :: Comparable :: >

other < self
fun >=(other: OTHER): Bool

core :: Comparable :: >=

not self < other
type CLASS: Class[SELF]

core :: Object :: CLASS

The type of the class of self.
type OTHER: Comparable

core :: Comparable :: OTHER

What self can be compared to?
type SELF: Object

core :: Object :: SELF

Type of this instance, automatically specialized in every class
type SELFTYPE: Text

core :: Text :: SELFTYPE

Type of self (used for factorization of several methods, ex : substring_from, empty...)
fun [](index: Int): Char

core :: Text :: []

Access a character at index in the string.
fun a_to(base: Int): Int

core :: Text :: a_to

If self contains only digits and letters, return the corresponding integer in a given base
protected fun accept_json_serializer(v: JsonSerializer)

serialization :: Serializable :: accept_json_serializer

Refinable service to customize the serialization of this class to JSON
protected fun accept_msgpack_attribute_counter(v: AttributeCounter)

serialization :: Serializable :: accept_msgpack_attribute_counter

Hook to customize the behavior of the AttributeCounter
protected fun accept_msgpack_serializer(v: MsgPackSerializer)

serialization :: Serializable :: accept_msgpack_serializer

Hook to customize the serialization of this class to MessagePack
protected fun add_to_bundle(bundle: NativeBundle, key: JavaString)

serialization :: Serializable :: add_to_bundle

Called by []= to dynamically choose the appropriate method according
fun alert

core :: Text :: alert

Raise a JavaScript alert
fun append_to_bytes(b: Bytes)

core :: Text :: append_to_bytes

Appends self.bytes to b
fun basename(extension: nullable String): String

core :: Text :: basename

Extract the basename of a path and strip the extension
fun binarydigest_to_bytes: Bytes

core :: Text :: binarydigest_to_bytes

Return a Bytes by reading 0 and 1.
fun blue: String

core :: Text :: blue

Make the text appear in blue in a ANSI/VT100 terminal.
fun bold: String

core :: Text :: bold

Make the text appear in bold in a ANSI/VT100 terminal.
abstract fun byte_length: Int

core :: Text :: byte_length

Number of bytes in self
protected fun byte_length=(byte_length: Int)

core :: FlatText :: byte_length=

fun bytepos: Int

core :: FlatText :: bytepos

Cached position (bytes) in the CString underlying the String
protected fun bytepos=(bytepos: Int)

core :: FlatText :: bytepos=

Cached position (bytes) in the CString underlying the String
abstract fun bytes: SequenceRead[Int]

core :: Text :: bytes

Gets a view on the bytes of the Text object
fun capitalized(keep_upper: nullable Bool): SELFTYPE

core :: Text :: capitalized

Returns a capitalized self
fun char_to_byte_index(index: Int): Int

core :: FlatText :: char_to_byte_index

Index of the character index in _items
abstract fun chars: SequenceRead[Char]

core :: Text :: chars

Gets a view on the chars of the Text object
fun chars_to_escape_to_c: Int

core :: FlatText :: chars_to_escape_to_c

By escaping self to C, how many more bytes will be needed ?
fun chars_to_html_escape: Int

core :: FlatText :: chars_to_html_escape

By escaping self to HTML, how many more bytes will be needed ?
fun chdir: nullable Error

core :: Text :: chdir

Change the current working directory
fun check_base64: nullable Error

core :: Text :: check_base64

Is self a well-formed Base64 entity ?
fun chomp: SELFTYPE

core :: Text :: chomp

Returns self removed from its last line terminator (if any).
fun clamp(min: OTHER, max: OTHER): OTHER

core :: Comparable :: clamp

Constraint self within [min..max]
protected fun class_factory(name: String): CLASS

core :: Object :: class_factory

Implementation used by get_class to create the specific class.
fun class_name: String

core :: Object :: class_name

The class name of the object.
abstract fun clone: SELF

core :: Cloneable :: clone

Duplicate self
fun copy_to_native(dest: CString, n: Int, src_offset: Int, dest_offset: Int)

core :: Text :: copy_to_native

Copies n bytes from self at src_offset into dest starting at dest_offset
fun core_serialize_to(serializer: Serializer)

serialization :: Serializable :: core_serialize_to

Actual serialization of self to serializer
fun cyan: String

core :: Text :: cyan

Make the text appear in cyan in a ANSI/VT100 terminal.
fun decode_base64: Bytes

core :: Text :: decode_base64

Decodes the receiver string to base64 using a custom padding character.
fun deserialize_json(static_type: nullable String): nullable Object

core :: Text :: deserialize_json

Deserialize a nullable Object from this JSON formatted string
fun dgettext(domain: String): String

core :: String :: dgettext

Gettext dgettext, SEE gettext manual for further info
fun dirname: String

core :: Text :: dirname

Extract the dirname of a path
protected abstract fun empty: SELFTYPE

core :: Text :: empty

Returns an empty Text of the right type
fun encode_base64: String

core :: Text :: encode_base64

Encodes the receiver string to base64 using a custom padding character.
fun english_scoring: Float

core :: Text :: english_scoring

Score self according to english's letter frequency.
fun environ: String

core :: String :: environ

Return environment value for the symbol.
fun escape_more_to_c(chars: String): String

core :: Text :: escape_more_to_c

Escape additionnal characters
fun escape_to_c: String

core :: Text :: escape_to_c

Escape " \ ', trigraphs and non printable characters using the rules of literal C strings and characters
fun escape_to_dot: String

core :: Text :: escape_to_dot

Escape string used in labels for graphviz
fun escape_to_js: Text

core :: Text :: escape_to_js

Escape the content of self to pass to JavaScript code
fun escape_to_mk: String

core :: Text :: escape_to_mk

Escape to include in a Makefile
fun escape_to_nit: String

core :: Text :: escape_to_nit

Escape to C plus braces
fun escape_to_sh: String

core :: Text :: escape_to_sh

Escape to POSIX Shell (sh).
fun escape_to_utf16: String

core :: Text :: escape_to_utf16

Returns self with all characters escaped with their UTF-16 representation
abstract fun fast_cstring: CString

core :: FlatText :: fast_cstring

Returns a char* starting at position first_byte
fun fetch_char_at(index: Int): Char

core :: FlatText :: fetch_char_at

Gets a Char at index in self
fun file_copy_to(dest: String)

core :: Text :: file_copy_to

Copy content of file at self to dest
fun file_delete: Bool

core :: Text :: file_delete

Remove a file, return true if success
fun file_exists: Bool

core :: Text :: file_exists

return true if a file with this names exists
fun file_extension: nullable String

core :: Text :: file_extension

Return right-most extension (without the dot)
fun file_lstat: nullable FileStat

core :: Text :: file_lstat

The status of a file or of a symlink. see POSIX lstat(2).
fun file_stat: nullable FileStat

core :: Text :: file_stat

The status of a file. see POSIX stat(2).
fun files: Array[String]

core :: Text :: files

Returns entries contained within the directory represented by self.
fun first: Char

core :: Text :: first

Gets the first char of the Text
protected fun first_byte: Int

core :: FlatText :: first_byte

First byte of the CString
protected fun first_byte=(first_byte: Int)

core :: FlatString :: first_byte=

Index at which self begins in _items, inclusively
fun format(args: Object...): String

core :: Text :: format

Format self by replacing each %n with the nth item of args
init from_deserializer(deserializer: Deserializer)

serialization :: Serializable :: from_deserializer

Create an instance of this class from the deserializer
fun from_percent_encoding: String

core :: Text :: from_percent_encoding

Decode self from percent (or URL) encoding to a clear string
fun from_utf16_digit(pos: nullable Int): Int

core :: Text :: from_utf16_digit

Returns a UTF-16 escape value
fun from_utf16_escape(pos: nullable Int, ln: nullable Int): Char

core :: Text :: from_utf16_escape

Returns the Unicode char escaped by self
fun get_class: CLASS

core :: Object :: get_class

The meta-object representing the dynamic type of self.
fun get_translation(domain: String, dir: String): String

core :: String :: get_translation

Gets the translation of self via gettext from dir using domain
fun gettext: String

core :: String :: gettext

Gettext gettext, SEE gettext manual for further info
fun gray: String

core :: Text :: gray

Make the text appear in dark gray (or black) in a ANSI/VT100 terminal.
fun green: String

core :: Text :: green

Make the text appear in green in a ANSI/VT100 terminal.
fun group_exists: Bool

core :: Text :: group_exists

Does the operating system know the group named self?
fun has(pattern: Pattern): Bool

core :: Text :: has

Does self contains at least one instance of pattern?
fun has_prefix(prefix: String): Bool

core :: Text :: has_prefix

Is this string prefixed by prefix?
fun has_substring(str: String, pos: Int): Bool

core :: Text :: has_substring

Does self have a substring str starting from position pos?
fun has_suffix(suffix: String): Bool

core :: Text :: has_suffix

Is this string suffixed by suffix?
fun hash: Int

core :: Object :: hash

The hash code of the object.
fun hexdigest: String

core :: Text :: hexdigest

Gets the hexdigest of the bytes of self
fun hexdigest_to_bytes: Bytes

core :: Text :: hexdigest_to_bytes

Returns a new Bytes instance with the digest as content
fun html_escape: String

core :: Text :: html_escape

Escape the characters <, >, &, ", ' and / as HTML/XML entity references.
fun http_download(output_path: nullable Text, accept_status_code: nullable Int): nullable String

core :: Text :: http_download

Download the file at URL self to output_path with a simple HTTP request
fun http_get(accept_status_code: nullable Int): nullable String

core :: Text :: http_get

Execute a simple HTTP GET request to the URL self
fun index_of(c: Char): Int

core :: Text :: index_of

Gets the index of the first occurence of 'c'
fun index_of_from(c: Char, pos: Int): Int

core :: Text :: index_of_from

Gets the index of the first occurence of ´c´ starting from ´pos´
init init

core :: Object :: init

abstract fun insert_at(s: String, pos: Int): SELFTYPE

core :: Text :: insert_at

Insert s at pos.
fun inspect: String

core :: Object :: inspect

Developer readable representation of self.
protected fun inspect_head: String

core :: Object :: inspect_head

Return "CLASSNAME:#OBJECTID".
fun is_base64: Bool

core :: Text :: is_base64

Is self a well-formed Base64 entity ?
fun is_between(c: OTHER, d: OTHER): Bool

core :: Comparable :: is_between

c <= self <= d
fun is_bi: Bool

core :: Text :: is_bi

Is self a well-formed BigInt (i.e. parsable via to_bi)
fun is_bin: Bool

core :: Text :: is_bin

Returns true if the string contains only Binary digits
fun is_dec: Bool

core :: Text :: is_dec

Returns true if the string contains only Decimal digits
fun is_empty: Bool

core :: Text :: is_empty

Is the current Text empty (== "")
fun is_hex: Bool

core :: Text :: is_hex

Returns true if the string contains only Hex chars
protected fun is_in(s: Text): Bool

core :: Pattern :: is_in

Is self in s?
fun is_int: Bool

core :: Text :: is_int

Is self a well-formed Integer (i.e. parsable via to_i)
fun is_lower: Bool

core :: Text :: is_lower

Are all letters in self lower-case ?
fun is_num: Bool

core :: Text :: is_num

Is self a valid integer ?
fun is_numeric: Bool

core :: Text :: is_numeric

Is this string in a valid numeric format compatible with to_f?
fun is_oct: Bool

core :: Text :: is_oct

Returns true if the string contains only Octal digits
fun is_r: Bool

core :: Text :: is_r

Is self a well-formed Ratio (i.e. parsable via to_r)
intern fun is_same_instance(other: nullable Object): Bool

core :: Object :: is_same_instance

Return true if self and other are the same instance (i.e. same identity).
fun is_same_serialized(other: nullable Object): Bool

core :: Object :: is_same_serialized

Is self the same as other in a serialization context?
intern fun is_same_type(other: Object): Bool

core :: Object :: is_same_type

Return true if self and other have the same dynamic type.
fun is_sha1_digest: Bool

core :: Text :: is_sha1_digest

Is self a SHA-1 hexdigest?
fun is_upper: Bool

core :: Text :: is_upper

Are all letters in self upper-case ?
fun is_valid_hexdigest: Bool

core :: Text :: is_valid_hexdigest

Is self a valid hexdigest ?
fun is_valid_macro_name: Bool

core :: String :: is_valid_macro_name

Is self a valid macro identifier?
fun is_whitespace: Bool

core :: Text :: is_whitespace

Is the string non-empty but only made of whitespaces?
fun items: CString

core :: FlatText :: items

Underlying CString (char*)
protected fun items=(items: CString)

core :: FlatText :: items=

Underlying CString (char*)
fun iterator: Iterator[Char]

core :: Text :: iterator

Gets an iterator on the chars of self
fun join_path(path: Text): String

core :: Text :: join_path

Correctly join two path using the directory separator.
fun justify(length: Int, left: Float, char: nullable Char): String

core :: Text :: justify

Justify self in a space of length
fun l_trim: SELFTYPE

core :: Text :: l_trim

Removes the whitespaces at the beginning of self
fun last: Char

core :: Text :: last

Gets the last char of self
protected fun last_byte: Int

core :: FlatText :: last_byte

Last byte of the CString
fun last_index_of(c: Char): Int

core :: Text :: last_index_of

Gets the last index of char ´c´
fun last_index_of_from(item: Char, pos: Int): Int

core :: Text :: last_index_of_from

The index of the last occurrence of an element starting from pos (in reverse order).
abstract fun length: Int

core :: Text :: length

Number of characters contained in self.
protected fun length=(length: Int)

core :: FlatText :: length=

fun levenshtein_distance(other: String): Int

core :: Text :: levenshtein_distance

Return the Levenshtein distance between two strings
fun light_gray: String

core :: Text :: light_gray

Make the text appear in light gray (or white) in a ANSI/VT100 terminal.
fun max(other: OTHER): OTHER

core :: Comparable :: max

The maximum between self and other (prefers self if equals).
fun md5: String

core :: Text :: md5

MD5 digest of self
fun md_to_html: Writable

core :: String :: md_to_html

Parse self as markdown and return the HTML representation
fun min(c: OTHER): OTHER

core :: Comparable :: min

The minimum between self and c (prefer self if equals)
fun mkdir(mode: nullable Int): nullable Error

core :: Text :: mkdir

Create a directory (and all intermediate directories if needed)
protected fun msgpack_extra_array_items: Int

serialization :: Serializable :: msgpack_extra_array_items

Hook to request a larger than usual metadata array
intern fun object_id: Int

core :: Object :: object_id

An internal hash code for the object based on its identity.
fun open_in_browser

core :: Text :: open_in_browser

Open the URL self with the default browser
fun output

core :: Object :: output

Display self on stdout (debug only).
intern fun output_class_name

core :: Object :: output_class_name

Display class name on stdout (debug only).
fun pack_l(ln: Int): Array[Text]

core :: Text :: pack_l

Packs the content of a string in packs of ln chars.
fun pack_r(ln: Int): Array[Text]

core :: Text :: pack_r

Packs the content of a string in packs of ln chars.
fun parse_bmfont(dir: String): MaybeError[BMFont, Error]

core :: Text :: parse_bmfont

Parse self as an XML BMFont description file
fun parse_json: nullable Serializable

core :: Text :: parse_json

Parse self as JSON.
fun position: Int

core :: FlatText :: position

Cache of the latest position (char) explored in the string
protected fun position=(position: Int)

core :: FlatText :: position=

Cache of the latest position (char) explored in the string
fun prefix(t: Text): nullable Match

core :: Text :: prefix

Extract a given prefix, if any.
fun program_is_in_path: Bool

core :: String :: program_is_in_path

Search for the program self in all directories from PATH
fun purple: String

core :: Text :: purple

Make the text appear in magenta in a ANSI/VT100 terminal.
fun r_trim: SELFTYPE

core :: Text :: r_trim

Removes the whitespaces at the end of self
fun railfence(depth: Int): Text

core :: Text :: railfence

Returns a rail-fence cipher from self with depth rails
fun realpath: String

core :: Text :: realpath

Return the canonicalized absolute pathname (see POSIX function realpath)
fun red: String

core :: Text :: red

Make the text appear in red in a ANSI/VT100 terminal.
fun relpath(dest: String): String

core :: Text :: relpath

Returns the relative path needed to go from self to dest.
fun remove_all(pattern: Pattern): String

core :: Text :: remove_all

Returns a copy of self minus all occurences of pattern
fun replace(pattern: Pattern, string: Text): String

core :: Text :: replace

Replace all occurrences of pattern with string
fun replace_first(pattern: Pattern, string: Text): String

core :: Text :: replace_first

Replace the first occurrence of pattern with string
abstract fun reversed: SELFTYPE

core :: Text :: reversed

Returns a reversed version of self
fun rmdir: nullable Error

core :: Text :: rmdir

Delete a directory and all of its content, return true on success
fun rot(x: Int): Text

core :: Text :: rot

Performs a Rotation of x on each letter of self
fun run_js

core :: Text :: run_js

Run self as JavaScript code
fun search(pattern: Pattern): nullable Match

core :: Text :: search

Search the first occurence of pattern.
fun search_all(pattern: Pattern): Array[Match]

core :: Text :: search_all

Search all occurrences of pattern into self.
protected fun search_all_in(s: Text): Array[Match]

core :: Pattern :: search_all_in

Search all self occurrences into s.
fun search_from(pattern: Pattern, from: Int): nullable Match

core :: Text :: search_from

Search the first occurence of pattern after from.
protected abstract fun search_in(s: Text, from: Int): nullable Match

core :: Pattern :: search_in

Search self into s from a certain position.
protected abstract fun search_index_in(s: Text, from: Int): Int

core :: Pattern :: search_index_in

Search self into s from a certain position.
fun search_last(t: Text): nullable Match

core :: Text :: search_last

Search the last occurence of the text t.
fun search_last_up_to(t: Text, up_to: Int): nullable Match

core :: Text :: search_last_up_to

Search the last occurence of the text t before up_to.
protected abstract fun send(mpi: MPI, at: Int, count: Int, dest: Rank, tag: Tag, comm: Comm)

mpi :: Sendable :: send

Type specific send over MPI
protected abstract fun send_all(mpi: MPI, dest: Rank, tag: Tag, comm: Comm)

mpi :: Sendable :: send_all

Type specific send full buffer over MPI
fun serialization_hash: Int

core :: Object :: serialization_hash

Hash value use for serialization
fun serialize_msgpack(plain: nullable Bool): Bytes

serialization :: Serializable :: serialize_msgpack

Serialize self to MessagePack bytes
fun serialize_to(serializer: Serializer)

serialization :: Serializable :: serialize_to

Serialize self to serializer
fun serialize_to_json(plain: nullable Bool, pretty: nullable Bool): String

serialization :: Serializable :: serialize_to_json

Serialize self to JSON
fun setenv(v: String)

core :: String :: setenv

Set the enviroment value of a variable.
fun sha1: Bytes

core :: Text :: sha1

Computes the SHA1 of the receiver
fun sha1_hexdigest: String

core :: Text :: sha1_hexdigest

Computes the SHA1 of the receiver.
fun simplify_path: String

core :: Text :: simplify_path

Simplify a file path by remove useless ., removing //, and resolving ..
fun split(pattern: Pattern): Array[String]

core :: Text :: split

Split self using pattern as separator.
protected fun split_in(s: Text): Array[Match]

core :: Pattern :: split_in

Split s using self is separator.
fun split_once_on(pattern: Pattern): Array[SELFTYPE]

core :: Text :: split_once_on

Split self on the first occurence of pattern
fun split_with(pattern: Pattern): Array[String]

core :: Text :: split_with

@deprecated alias for split
fun strip_extension(extension: nullable String): String

core :: Text :: strip_extension

Remove the trailing extension.
fun strip_nullable: Text

core :: Text :: strip_nullable

Strip the nullable prefix from the type name self
fun strip_nullable_and_params: Text

core :: Text :: strip_nullable_and_params

Strip the nullable prefix and the params from the type name self
fun strip_start_slashes: String

core :: String :: strip_start_slashes

Returns a String copy of self without any of the prefixed '/'s
abstract fun substring(from: Int, count: Int): SELFTYPE

core :: Text :: substring

Create a substring.
fun substring_from(from: Int): SELFTYPE

core :: Text :: substring_from

Create a substring from self beginning at the from position
fun suffix(t: Text): nullable Match

core :: Text :: suffix

Extract a given suffix, if any.
intern fun sys: Sys

core :: Object :: sys

Return the global sys object, the only instance of the Sys class.
fun to_a: Array[Char]

core :: Text :: to_a

Gets an Array containing the chars of self
fun to_bi: BigInt

core :: Text :: to_bi

If self contains a BigInt, return the corresponding BigInt
fun to_bin: Int

core :: Text :: to_bin

If self contains only '0' et '1', return the corresponding integer.
abstract fun to_buffer: Buffer

core :: Text :: to_buffer

Returns a copy of self as a Buffer
fun to_bytes: Bytes

core :: Text :: to_bytes

Returns a mutable copy of self's bytes
abstract fun to_camel_case: SELFTYPE

core :: Text :: to_camel_case

Takes a snake case self and converts it to camel case
fun to_cmangle: String

core :: Text :: to_cmangle

Mangle a string to be a unique string only made of alphanumeric characters and underscores.
fun to_cpp_string: CppString

core :: Text :: to_cpp_string

Get self as a CppString
abstract fun to_cstring: CString

core :: Text :: to_cstring

Return a null terminated char *
fun to_dec: Int

core :: Text :: to_dec

If self contains only digits '0' .. '9', return the corresponding integer.
fun to_dot: String

core :: Text :: to_dot

Returns the graphviz-formatted content of self
fun to_f: Float

core :: Text :: to_f

If self contains a float, return the corresponding float
fun to_hex(pos: nullable Int, ln: nullable Int): Int

core :: Text :: to_hex

If self contains only digits and alpha <= 'f', return the corresponding integer.
abstract fun to_i: Int

core :: Text :: to_i

Returns self as the corresponding integer
fun to_java_string: JavaString

core :: Text :: to_java_string

Get self as a JavaString
fun to_json: String

serialization :: Serializable :: to_json

Serialize self to plain JSON
fun to_json_value: JsonValue

core :: Text :: to_json_value

Parse self to a JsonValue
abstract fun to_jvalue(env: JniEnv): JValue

core :: Object :: to_jvalue

abstract fun to_lower: SELFTYPE

core :: Text :: to_lower

A lower case version of self
fun to_n: Numeric

core :: Text :: to_n

Get the numeric version of self
fun to_nsstring: NSString

core :: Text :: to_nsstring

Get a NSString from self
fun to_num: nullable Numeric

core :: Text :: to_num

If self is a properly formatted integer, returns the corresponding value
fun to_oct: Int

core :: Text :: to_oct

If self contains only digits <= '7', return the corresponding integer.
fun to_path: Path

core :: Text :: to_path

Access file system related services on the path at self
fun to_percent_encoding: String

core :: Text :: to_percent_encoding

Encode self to percent (or URL) encoding
fun to_pretty_json: String

serialization :: Serializable :: to_pretty_json

Serialize self to plain pretty JSON
fun to_program_name: String

core :: Text :: to_program_name

Convert the path (self) to a program name.
fun to_r: Ratio

core :: Text :: to_r

If self contains a Ratio, return the corresponding Ratio
fun to_re: Regex

core :: Text :: to_re

Get a Regex instance from self
fun to_s: String

core :: Object :: to_s

User readable representation of self.
fun to_sexp: SExpEntity

core :: Text :: to_sexp

Tries to parse self as an S-Expression
abstract fun to_snake_case: SELFTYPE

core :: Text :: to_snake_case

Takes a camel case self and converts it to snake case
fun to_sql_date_string: String

core :: Text :: to_sql_date_string

Format the date represented by self into an escaped string for SQLite
fun to_sql_string: String

core :: Text :: to_sql_string

Return self between 's, escaping \ and '
fun to_symbol: Symbol

core :: String :: to_symbol

Get the unique corresponding to the string
fun to_u16string: U16String

core :: String :: to_u16string

Returns a UTF-16 encoded version of self
abstract fun to_upper: SELFTYPE

core :: Text :: to_upper

A upper case version of self
fun to_xml: XMLEntity

core :: Text :: to_xml

Tries to parse the current string to XML
fun trim: SELFTYPE

core :: Text :: trim

Trims trailing and preceding white spaces
fun u16_length: Int

core :: String :: u16_length

Returns the number of UTF-16 code units in self
fun underline: String

core :: Text :: underline

Make the text underlined in a ANSI/VT100 terminal.
fun unescape_json: Text

core :: Text :: unescape_json

Removes JSON-escaping if necessary in a JSON string
fun unescape_nit: String

core :: Text :: unescape_nit

Return a string where Nit escape sequences are transformed.
fun unescape_string: String

core :: String :: unescape_string

Remove escape backslash from string
fun unescape_to_bytes: Bytes

core :: Text :: unescape_to_bytes

Return a Bytes instance where Nit escape sequences are transformed.
fun unrail(depth: Int): Text

core :: Text :: unrail

Transforms a rail-fence-encrypted Text to its original
fun user_exists: Bool

core :: Text :: user_exists

Does the operating system know the user named self?
fun uvigenere(key: String): String

core :: Text :: uvigenere

Vigenere decoder on ASCII letters.
fun vigenere(key: String): String

core :: Text :: vigenere

Vigenere encoder on ASCII letters.
abstract fun write_to(stream: Writer)

core :: Writable :: write_to

Write itself to a stream
fun write_to_bytes: Bytes

core :: Writable :: write_to_bytes

Like write_to but return a new Bytes (may be quite large)
fun write_to_file(filepath: String)

core :: Writable :: write_to_file

Like write_to but take care of creating the file
fun write_to_string: String

core :: Writable :: write_to_string

Like write_to but return a new String (may be quite large).
fun yellow: String

core :: Text :: yellow

Make the text appear in yellow in a ANSI/VT100 terminal.
package_diagram core::FlatString FlatString core::FlatText FlatText core::FlatString->core::FlatText core::String String core::FlatString->core::String core::Text Text core::FlatText->core::Text core::String->core::Text sqlite3::Sqlite3Data Sqlite3Data core::String->sqlite3::Sqlite3Data ...core::Text ... ...core::Text->core::Text ...sqlite3::Sqlite3Data ... ...sqlite3::Sqlite3Data->sqlite3::Sqlite3Data

Ancestors

interface Cloneable

core :: Cloneable

Something that can be cloned
interface Comparable

core :: Comparable

The ancestor of class where objects are in a total order.
interface DirectSerializable

serialization :: DirectSerializable

Instances of this class are not delayed and instead serialized immediately
interface Object

core :: Object

The root of the class hierarchy.
interface Pattern

core :: Pattern

Patterns are abstract string motifs (include String and Char).
interface Sendable

mpi :: Sendable

Something sendable directly and efficiently over MPI
interface Serializable

serialization :: Serializable

Instances of this class can be passed to Serializer::serialize
interface Sqlite3Data

sqlite3 :: Sqlite3Data

A data type supported by Sqlite3
abstract class Text

core :: Text

High-level abstraction for all text representations
interface Writable

core :: Writable

Things that can be efficienlty written to a Writer

Parents

abstract class FlatText

core :: FlatText

All kinds of array-based text representations.
abstract class String

core :: String

Immutable sequence of characters.

Class definitions

core $ FlatString
# Immutable strings of characters.
abstract class FlatString
	super FlatText
	super String

	# Index at which `self` begins in `_items`, inclusively
	redef var first_byte is noinit

	redef fun chars do return new FlatStringCharView(self)

	redef fun bytes do return new FlatStringByteView(self)

	redef fun to_cstring do
		var blen = _byte_length
		var new_items = new CString(blen + 1)
		_items.copy_to(new_items, blen, _first_byte, 0)
		new_items[blen] = 0
		return new_items
	end

	redef fun reversed do
		var b = new FlatBuffer.with_capacity(_byte_length + 1)
		var i = _length - 1
		while i >= 0 do
			b.add self.fetch_char_at(i)
			i -= 1
		end
		var s = b.to_s.as(FlatString)
		s._length = self._length
		return s
	end

	redef fun fast_cstring do return _items.fast_cstring(_first_byte)

	redef fun substring(from, count)
	do
		if count <= 0 then return ""

		if from < 0 then
			count += from
			if count <= 0 then return ""
			from = 0
		end

		var ln = _length
		if (count + from) > ln then count = ln - from
		if count <= 0 then return ""
		var end_index = from + count - 1
		return substring_impl(from, count, end_index)
	end

	private fun substring_impl(from, count, end_index: Int): String do
		var cache = _position
		var dfrom = (cache - from).abs
		var dend = (end_index - from).abs

		var bytefrom: Int
		var byteto: Int
		if dfrom < dend then
			bytefrom = char_to_byte_index(from)
			byteto = char_to_byte_index(end_index)
		else
			byteto = char_to_byte_index(end_index)
			bytefrom = char_to_byte_index(from)
		end

		var its = _items
		byteto += its.length_of_char_at(byteto) - 1

		var s = new FlatString.full(its, byteto - bytefrom + 1, bytefrom, count)
		return s
	end

	redef fun empty do return "".as(FlatString)

	redef fun to_upper
	do
		var outstr = new FlatBuffer.with_capacity(self._byte_length + 1)

		var mylen = _length
		var pos = 0

		while pos < mylen do
			outstr.add(chars[pos].to_upper)
			pos += 1
		end

		return outstr.to_s
	end

	redef fun to_lower
	do
		var outstr = new FlatBuffer.with_capacity(self._byte_length + 1)

		var mylen = _length
		var pos = 0

		while pos < mylen do
			outstr.add(chars[pos].to_lower)
			pos += 1
		end

		return outstr.to_s
	end

	redef fun output
	do
		for i in chars do i.output
	end

	##################################################
	#              String Specific Methods           #
	##################################################

	# Low-level creation of a new string with minimal data.
	#
	# `_items` will be used as is, without copy, to retrieve the characters of the string.
	# Aliasing issues is the responsibility of the caller.
	private new with_infos(items: CString, byte_length, from: Int)
	do
		var len = items.utf8_length(from, byte_length)
		if byte_length == len then return new ASCIIFlatString.full_data(items, byte_length, from, len)
		return new UnicodeFlatString.full_data(items, byte_length, from, len)
	end

	# Low-level creation of a new string with all the data.
	#
	# `_items` will be used as is, without copy, to retrieve the characters of the string.
	# Aliasing issues is the responsibility of the caller.
	private new full(items: CString, byte_length, from, length: Int)
	do
		if byte_length == length then return new ASCIIFlatString.full_data(items, byte_length, from, length)
		return new UnicodeFlatString.full_data(items, byte_length, from, length)
	end

	redef fun ==(other)
	do
		if not other isa FlatText then return super

		if self.object_id == other.object_id then return true

		var my_length = _byte_length

		if other._byte_length != my_length then return false

		var my_index = _first_byte
		var its_index = other.first_byte

		var last_iteration = my_index + my_length

		var its_items = other._items
		var my_items = self._items

		while my_index < last_iteration do
			if my_items[my_index] != its_items[its_index] then return false
			my_index += 1
			its_index += 1
		end

		return true
	end

	redef fun <(other)
	do
		if not other isa FlatText then return super

		if self.object_id == other.object_id then return false

		var myits = _items
		var itsits = other._items

		var mbt = _byte_length
		var obt = other.byte_length

		var minln = if mbt < obt then mbt else obt
		var mst = _first_byte
		var ost = other.first_byte

		for i in [0 .. minln[ do
			var my_curr_char = myits[mst]
			var its_curr_char = itsits[ost]

			if my_curr_char > its_curr_char then return false
			if my_curr_char < its_curr_char then return true

			mst += 1
			ost += 1
		end

		return mbt < obt
	end

	redef fun +(o) do
		var s = o.to_s
		var slen = s.byte_length
		var mlen = _byte_length
		var nlen = mlen + slen
		var mits = _items
		var mifrom = _first_byte
		if s isa FlatText then
			var sits = s._items
			var sifrom = s.first_byte
			var ns = new CString(nlen + 1)
			mits.copy_to(ns, mlen, mifrom, 0)
			sits.copy_to(ns, slen, sifrom, mlen)
			return new FlatString.full(ns, nlen, 0, _length + o.length)
		else
			abort
		end
	end

	redef fun *(i) do
		var mybtlen = _byte_length
		var new_byte_length = mybtlen * i
		var mylen = _length
		var newlen = mylen * i
		var its = _items
		var fb = _first_byte
		var ns = new CString(new_byte_length + 1)
		ns[new_byte_length] = 0
		var offset = 0
		while i > 0 do
			its.copy_to(ns, mybtlen, fb, offset)
			offset += mybtlen
			i -= 1
		end
		return new FlatString.full(ns, new_byte_length, 0, newlen)
	end

	redef fun hash
	do
		if hash_cache == null then
			# djb2 hash algorithm
			var h = 5381
			var i = _first_byte

			var my_items = _items
			var max = last_byte

			while i <= max do
				h = (h << 5) + h + my_items[i].to_i
				i += 1
			end

			hash_cache = h
		end

		return hash_cache.as(not null)
	end

	redef fun substrings do return new FlatSubstringsIter(self)
end
lib/core/text/flat.nit:408,1--659,3

core :: ropes $ FlatString
redef class FlatString

	redef fun insert_at(s, pos) do
		var l = substring(0, pos)
		var r = substring_from(pos)
		return l + s + r
	end

	redef fun +(o) do
		var s = o.to_s
		var slen = s.byte_length
		var mlen = _byte_length
		if slen == 0 then return self
		if mlen == 0 then return s
		var nlen = slen + mlen
		if s isa FlatString then
			if nlen > maxlen then return new Concat(self, s)
			var mits = _items
			var sifrom = s._first_byte
			var mifrom = _first_byte
			var sits = s._items
			var ns = new CString(nlen + 1)
			mits.copy_to(ns, mlen, mifrom, 0)
			sits.copy_to(ns, slen, sifrom, mlen)
			return new FlatString.full(ns, nlen, 0, length + s.length)
		else if s isa Concat then
			var sl = s._left
			var sllen = sl.byte_length
			if sllen + mlen > maxlen then return new Concat(self, s)
			return new Concat(self + sl, s._right)
		else
			abort
		end
	end
end
lib/core/text/ropes.nit:284,1--318,3

core :: file $ FlatString
redef class FlatString
	redef fun write_native_to(s)
	do
		s.write_native(items, first_byte, byte_length)
	end

	redef fun file_extension do
		var its = _items
		var p = last_byte
		var c = its[p]
		var st = _first_byte
		while p >= st and c != u'.' do
			p -= 1
			c = its[p]
		end
		if p <= st then return null
		var ls = last_byte
		return new FlatString.with_infos(its, ls - p, p + 1)
	end

	redef fun basename(extension) do
		var s = self
		if is_windows then s = s.replace("\\", "/").as(FlatString)

		var bname
		var l = s.last_byte
		var its = s._items
		var min = s._first_byte
		var sl = u'/'
		while l > min and its[l] == sl do l -= 1
		if l == min then return "/"
		var ns = l
		while ns >= min and its[ns] != sl do ns -= 1
		bname = new FlatString.with_infos(its, l - ns, ns + 1)

		return if extension != null then bname.strip_extension(extension) else bname
	end
end
lib/core/file.nit:1357,1--1394,3

text_stat :: text_stat $ FlatString
redef class FlatString

	redef fun bytepos do
		sys.bytepos_call.inc "FlatString"
		return super
	end

	redef fun bytepos=(p) do
		sys.bytepos_call.inc "FlatString"
		super
	end

	redef fun position do
		sys.position_call.inc "FlatString"
		return super
	end

	redef fun position=(p) do
		sys.position_call.inc "FlatString"
		super
	end

	redef fun byte_length do
		sys.byte_length_call.inc "FlatString"
		return super
	end

	redef fun first_byte do
		sys.first_byte_call += 1
		return super
	end

	redef fun first_byte=(v) do
		sys.first_byte_call += 1
		super
	end

	redef fun last_byte do
		sys.last_byte_call += 1
		return super
	end

	private var length_cache: nullable Int = null

	redef fun length do
		sys.length_calls.inc "FlatString"
		var l = length_cache
		if l != null then return l
		sys.length_cache_miss.inc "FlatString"
		if byte_length == 0 then return 0
		var st = first_byte
		var its = items
		var ln = 0
		var lst = last_byte
		while st <= lst do
			st += its.length_of_char_at(st)
			ln += 1
		end
		length_cache = ln
		return ln
	end

	redef fun char_to_byte_index(i) do
		sys.index_call.inc "FlatString"
		return super
	end
end
lib/text_stat/text_stat.nit:262,1--328,3