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authorOndřej Surý <ondrej@sury.org>2011-09-13 13:11:55 +0200
committerOndřej Surý <ondrej@sury.org>2011-09-13 13:11:55 +0200
commit80f18fc933cf3f3e829c5455a1023d69f7b86e52 (patch)
tree4b825dc642cb6eb9a060e54bf8d69288fbee4904 /src/pkg/container/vector/stringvector.go
parent28592ee1ea1f5cdffcf85472f9de0285d928cf12 (diff)
downloadgolang-80f18fc933cf3f3e829c5455a1023d69f7b86e52.tar.gz
Imported Upstream version 60
Diffstat (limited to 'src/pkg/container/vector/stringvector.go')
-rw-r--r--src/pkg/container/vector/stringvector.go208
1 files changed, 0 insertions, 208 deletions
diff --git a/src/pkg/container/vector/stringvector.go b/src/pkg/container/vector/stringvector.go
deleted file mode 100644
index 852685f5a..000000000
--- a/src/pkg/container/vector/stringvector.go
+++ /dev/null
@@ -1,208 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// CAUTION: If this file is not vector.go, it was generated
-// automatically from vector.go - DO NOT EDIT in that case!
-
-package vector
-
-
-func (p *StringVector) realloc(length, capacity int) (b []string) {
- if capacity < initialSize {
- capacity = initialSize
- }
- if capacity < length {
- capacity = length
- }
- b = make(StringVector, length, capacity)
- copy(b, *p)
- *p = b
- return
-}
-
-
-// Insert n elements at position i.
-func (p *StringVector) Expand(i, n int) {
- a := *p
-
- // make sure we have enough space
- len0 := len(a)
- len1 := len0 + n
- if len1 <= cap(a) {
- // enough space - just expand
- a = a[0:len1]
- } else {
- // not enough space - double capacity
- capb := cap(a) * 2
- if capb < len1 {
- // still not enough - use required length
- capb = len1
- }
- // capb >= len1
- a = p.realloc(len1, capb)
- }
-
- // make a hole
- for j := len0 - 1; j >= i; j-- {
- a[j+n] = a[j]
- }
-
- *p = a
-}
-
-
-// Insert n elements at the end of a vector.
-func (p *StringVector) Extend(n int) { p.Expand(len(*p), n) }
-
-
-// Resize changes the length and capacity of a vector.
-// If the new length is shorter than the current length, Resize discards
-// trailing elements. If the new length is longer than the current length,
-// Resize adds the respective zero values for the additional elements. The capacity
-// parameter is ignored unless the new length or capacity is longer than the current
-// capacity. The resized vector's capacity may be larger than the requested capacity.
-func (p *StringVector) Resize(length, capacity int) *StringVector {
- a := *p
-
- if length > cap(a) || capacity > cap(a) {
- // not enough space or larger capacity requested explicitly
- a = p.realloc(length, capacity)
- } else if length < len(a) {
- // clear trailing elements
- for i := range a[length:] {
- var zero string
- a[length+i] = zero
- }
- }
-
- *p = a[0:length]
- return p
-}
-
-
-// Len returns the number of elements in the vector.
-// Same as len(*p).
-func (p *StringVector) Len() int { return len(*p) }
-
-
-// Cap returns the capacity of the vector; that is, the
-// maximum length the vector can grow without resizing.
-// Same as cap(*p).
-func (p *StringVector) Cap() int { return cap(*p) }
-
-
-// At returns the i'th element of the vector.
-func (p *StringVector) At(i int) string { return (*p)[i] }
-
-
-// Set sets the i'th element of the vector to value x.
-func (p *StringVector) Set(i int, x string) { (*p)[i] = x }
-
-
-// Last returns the element in the vector of highest index.
-func (p *StringVector) Last() string { return (*p)[len(*p)-1] }
-
-
-// Copy makes a copy of the vector and returns it.
-func (p *StringVector) Copy() StringVector {
- arr := make(StringVector, len(*p))
- copy(arr, *p)
- return arr
-}
-
-
-// Insert inserts into the vector an element of value x before
-// the current element at index i.
-func (p *StringVector) Insert(i int, x string) {
- p.Expand(i, 1)
- (*p)[i] = x
-}
-
-
-// Delete deletes the i'th element of the vector. The gap is closed so the old
-// element at index i+1 has index i afterwards.
-func (p *StringVector) Delete(i int) {
- a := *p
- n := len(a)
-
- copy(a[i:n-1], a[i+1:n])
- var zero string
- a[n-1] = zero // support GC, zero out entry
- *p = a[0 : n-1]
-}
-
-
-// InsertVector inserts into the vector the contents of the vector
-// x such that the 0th element of x appears at index i after insertion.
-func (p *StringVector) InsertVector(i int, x *StringVector) {
- b := *x
-
- p.Expand(i, len(b))
- copy((*p)[i:i+len(b)], b)
-}
-
-
-// Cut deletes elements i through j-1, inclusive.
-func (p *StringVector) Cut(i, j int) {
- a := *p
- n := len(a)
- m := n - (j - i)
-
- copy(a[i:m], a[j:n])
- for k := m; k < n; k++ { //TODO(bflm) don't zero out the elements unless it's a Vector.
- var zero string
- a[k] = zero // support GC, zero out entries
- }
-
- *p = a[0:m]
-}
-
-
-// Slice returns a new sub-vector by slicing the old one to extract slice [i:j].
-// The elements are copied. The original vector is unchanged.
-func (p *StringVector) Slice(i, j int) *StringVector {
- var s StringVector
- s.realloc(j-i, 0) // will fail in Init() if j < i
- copy(s, (*p)[i:j])
- return &s
-}
-
-
-// Convenience wrappers
-
-// Push appends x to the end of the vector.
-func (p *StringVector) Push(x string) { p.Insert(len(*p), x) }
-
-
-// Pop deletes the last element of the vector.
-func (p *StringVector) Pop() string {
- a := *p
-
- i := len(a) - 1
- x := a[i]
- var zero string
- a[i] = zero // support GC, zero out entry
- *p = a[0:i]
- return x
-}
-
-
-// AppendVector appends the entire vector x to the end of this vector.
-func (p *StringVector) AppendVector(x *StringVector) { p.InsertVector(len(*p), x) }
-
-
-// Swap exchanges the elements at indexes i and j.
-func (p *StringVector) Swap(i, j int) {
- a := *p
- a[i], a[j] = a[j], a[i]
-}
-
-
-// Do calls function f for each element of the vector, in order.
-// The behavior of Do is undefined if f changes *p.
-func (p *StringVector) Do(f func(elem string)) {
- for _, e := range *p {
- f(e)
- }
-}