core.actions: added --choosefiles option + doc - ranger - mirror of ranger

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author	hut <hut@lavabit.com>	2011-10-21 11:28:42 +0200
committer	hut <hut@lavabit.com>	2011-10-21 11:28:42 +0200
commit	19bf3029b53b7d879f7d93d929b1e82449743ffe (patch)
tree	49b44d0d969f2086b7f359e4381f2158f9644fbe /doc/colorschemes.txt
parent	5f67653b6ae232f7475049136421df0d016d283c (diff)
download	ranger-19bf3029b53b7d879f7d93d929b1e82449743ffe.tar.gz

core.actions: added --choosefiles option + doc

Diffstat (limited to 'doc/colorschemes.txt')

0 files changed, 0 insertions, 0 deletions

5:40 -0800 committer Kartik K. Agaram <vc@akkartik.com> 2017-12-03 23:25:40 -0800 4134 - 'input' = 'ingredient'' href='/akkartik/mu/commit/066stream.mu?h=hlt&id=4a48bedcd1d708a43d43dc6259a4e45c52ea3d00'>4a48bedc ^

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# new type to help incrementally scan arrays
container stream:_elem [
  index:num
  data:&:@:_elem
]

def new-stream s:&:@:_elem -> result:&:stream:_elem [
  local-scope
  load-inputs
  return-unless s, null
  result <- new {(stream _elem): type}
  *result <- put *result, index:offset, 0
  *result <- put *result, data:offset, s
]

def rewind in:&:stream:_elem -> in:&:stream:_elem [
  local-scope
  load-inputs
  return-unless in
  *in <- put *in, index:offset, 0
]

def read in:&:stream:_elem -> result:_elem, empty?:bool, in:&:stream:_elem [
  local-scope
  load-inputs
  assert in, [cannot read; stream has no data]
  empty? <- copy false
  idx:num <- get *in, index:offset
  s:&:@:_elem <- get *in, data:offset
  len:num <- length *s
  at-end?:bool <- greater-or-equal idx len
  {
    break-unless at-end?
    empty-result:&:_elem <- new _elem:type
    return *empty-result, true
  }
  result <- index *s, idx
  idx <- add idx, 1
  *in <- put *in, index:offset, idx
]

def peek in:&:stream:_elem -> result:_elem, empty?:bool [
  local-scope
  load-inputs
  assert in, [cannot peek; stream has no data]
  empty?:bool <- copy false
  idx:num <- get *in, index:offset
  s:&:@:_elem <- get *in, data:offset
  len:num <- length *s
  at-end?:bool <- greater-or-equal idx len
  {
    break-unless at-end?
    empty-result:&:_elem <- new _elem:type
    return *empty-result, true
  }
  result <- index *s, idx
]

def read-line in:&:stream:char -> result:text, in:&:stream:char [
  local-scope
  load-inputs
  assert in, [cannot read-line; stream has no data]
  idx:num <- get *in, index:offset
  s:text <- get *in, data:offset
  next-idx:num <- find-next s, 10/newline, idx
  result <- copy-range s, idx, next-idx
  idx <- add next-idx, 1  # skip newline
  # write back
  *in <- put *in, index:offset, idx
]

def end-of-stream? in:&:stream:_elem -> result:bool [
  local-scope
  load-inputs
  assert in, [cannot check end-of-stream?; stream has no data]
  idx:num <- get *in, index:offset
  s:&:@:_elem <- get *in, data:offset
  len:num <- length *s
  result <- greater-or-equal idx, len
]


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