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authorJérémy Zurcher <jeremy@asynk.ch>2009-02-28 21:19:37 +0100
committerJérémy Zurcher <jeremy@asynk.ch>2009-02-28 21:19:37 +0100
commit0a8b6ea5dc6a9d56638b985dd67b0c45f167e381 (patch)
tree1932cb877c3e623f9a300c37971bb4e073670aea /mmap.rd
parent50bb456cf469f73d3a32474dc07bd58c0c64dba1 (diff)
downloadmmap-ruby-master.zip
mmap-ruby-master.tar.gz
mmap goes rakeified, build and test OKHEADmaster
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-=begin
-= Mmap
-
-((<Download|URL:ftp://moulon.inra.fr/pub/ruby/>))
-
-The Mmap class implement memory-mapped file objects
-
-=== WARNING
-=== The variables $' and $` are not available with gsub! and sub!
-
-== SuperClass
-
-Object
-
-== Included Modules
-
-* Comparable
-* Enumerable
-
-== Class Methods
-
---- lockall(flag)
- disable paging of all pages mapped. ((|flag|)) can be
- ((|Mmap::MCL_CURRENT|)) or ((|Mmap::MCL_FUTURE|))
-
---- new(file, mode = "r", protection = Mmap::MAP_SHARED, options = {})
---- new(nil, length, protection = Mmap::MAP_SHARED, options = {})
- create a new Mmap object
-
- : ((|file|))
- Pathname of the file, if ((|nil|)) is given an anonymous map
- is created ((|Mmanp::MAP_ANON|))
-
- : ((|mode|))
- Mode to open the file, it can be "r", "w", "rw", "a"
-
- : ((|protection|))
- specify the nature of the mapping
-
- : ((|Mmap::MAP_SHARED|))
- Creates a mapping that's shared with all other processes
- mapping the same areas of the file.
- The default value is ((|Mmap::MAP_SHARED|))
-
- : ((|Mmap::MAP_PRIVATE|))
- Creates a private copy-on-write mapping, so changes to the
- contents of the mmap object will be private to this process
-
- : ((|options|))
- Hash. If one of the options ((|length|)) or ((|offset|))
- is specified it will not possible to modify the size of
- the mapped file.
-
- : ((|length|))
- Maps ((|length|)) bytes from the file
-
- : ((|offset|))
- The mapping begin at ((|offset|))
-
- : ((|advice|))
- The type of the access (see #madvise)
-
-
---- unlockall
- reenable paging
-
-== Methods
-
---- extend(count)
- add ((|count|)) bytes to the file (i.e. pre-extend the file)
-
---- madvise(advice)
- ((|advice|)) can have the value ((|Mmap::MADV_NORMAL|)),
- ((|Mmap::MADV_RANDOM|)), ((|Mmap::MADV_SEQUENTIAL|)),
- ((|Mmap::MADV_WILLNEED|)), ((|Mmap::MADV_DONTNEED|))
-
---- mprotect(mode)
- change the mode, value must be "r", "w" or "rw"
-
---- mlock
- disable paging
-
---- msync
---- flush
- flush the file
-
---- munlock
- reenable paging
-
---- munmap
- terminate the association
-
-=== Other methods with the same syntax than for the class String
-
-
---- self == other
- comparison
-
---- self > other
- comparison
-
---- self >= other
- comparison
-
---- self < other
- comparison
-
---- self <= other
- comparison
-
---- self === other
- used for ((|case|)) comparison
-
---- self << other
- append ((|other|)) to ((|self|))
-
---- self =~ other
- return an index of the match
-
---- self[nth]
- retrieve the ((|nth|)) character
-
---- self[start..last]
- return a substring from ((|start|)) to ((|last|))
-
---- self[start, length]
- return a substring of ((|lenght|)) characters from ((|start|))
-
---- self[nth] = val
- change the ((|nth|)) character with ((|val|))
-
---- self[start..last] = val
- change substring from ((|start|)) to ((|last|)) with ((|val|))
-
---- self[start, len] = val
- replace ((|length|)) characters from ((|start|)) with ((|val|)).
-
---- self <=> other
- comparison : return -1, 0, 1
-
---- casecmp(other) >= 1.7.1
-
---- concat(other)
- append the contents of ((|other|))
-
---- capitalize!
- change the first character to uppercase letter
-
---- chop!
- chop off the last character
-
---- chomp!([rs])
- chop off the line ending character, specified by ((|rs|))
-
---- count(o1 [, o2, ...])
- each parameter defines a set of character to count
-
---- crypt(salt)
- crypt with ((|salt|))
-
---- delete!(str)
- delete every characters included in ((|str|))
-
---- downcase!
- change all uppercase character to lowercase character
-
---- each_byte {|char|...}
- iterate on each byte
-
---- each([rs]) {|line|...}
---- each_line([rs]) {|line|...}
- iterate on each line
-
---- empty?
- return ((|true|)) if the file is empty
-
---- freeze
- freeze the current file
-
---- frozen
- return ((|true|)) if the file is frozen
-
---- gsub!(pattern, replace)
- global substitution
-
---- gsub!(pattern) {|str|...}
- global substitution
-
---- include?(other)
- return ((|true|)) if ((|other|)) is found
-
---- index(substr[, pos])
- return the index of ((|substr|))
-
---- insert(index, str) >= 1.7.1
- insert ((|str|)) at ((|index|))
-
---- length
- return the size of the file
-
---- reverse!
- reverse the content of the file
-
---- rindex(substr[, pos])
- return the index of the last occurrence of ((|substr|))
-
---- scan(pattern)
- return an array of all occurence matched by ((|pattern|))
-
---- scan(pattern) {|str| ...}
- iterate through the file, matching the ((|pattern|))
-
---- size
- return the size of the file
-
---- slice
- same than ((|[]|))
-
---- slice!
- delete the specified portion of the file
-
---- split([sep[, limit]])
- splits into a list of strings and return this array
-
---- squeeze!([str])
- squeezes sequences of the same characters which is included in ((|str|))
-
---- strip!
- removes leading and trailing whitespace
-
---- sub!(pattern, replace)
- substitution
-
---- sub!(pattern) {|str| ...}
- substitution
-
---- sum([bits])
- return a checksum
-
---- swapcase!
- replaces all lowercase characters to uppercase characters, and vice-versa
-
---- tr!(search, replace)
- translate the character from ((|search|)) to ((|replace|))
-
---- tr_s!(search, replace)
- translate the character from ((|search|)) to ((|replace|)), then
- squeeze sequence of the same characters
-
---- upcase!
- replaces all lowercase characters to downcase characters
-
-=end