Upgrade to 0.12

1 files changed, 280 insertions, 0 deletions

diff --git a/vendor/github.com/hashicorp/terraform/lang/funcs/string.go b/vendor/github.com/hashicorp/terraform/lang/funcs/string.go
new file mode 100644
index 0000000..c9ddf19
--- /dev/null
+++ b/vendor/github.com/hashicorp/terraform/lang/funcs/string.go
@@ -0,0 +1,280 @@
+package funcs
+
+import (
+        "fmt"
+        "regexp"
+        "sort"
+        "strings"
+
+        "github.com/zclconf/go-cty/cty"
+        "github.com/zclconf/go-cty/cty/function"
+        "github.com/zclconf/go-cty/cty/gocty"
+)
+
+var JoinFunc = function.New(&function.Spec{
+        Params: []function.Parameter{
+                {
+                        Name: "separator",
+                        Type: cty.String,
+                },
+        },
+        VarParam: &function.Parameter{
+                Name: "lists",
+                Type: cty.List(cty.String),
+        },
+        Type: function.StaticReturnType(cty.String),
+        Impl: func(args []cty.Value, retType cty.Type) (cty.Value, error) {
+                sep := args[0].AsString()
+                listVals := args[1:]
+                if len(listVals) < 1 {
+                        return cty.UnknownVal(cty.String), fmt.Errorf("at least one list is required")
+                }
+
+                l := 0
+                for _, list := range listVals {
+                        if !list.IsWhollyKnown() {
+                                return cty.UnknownVal(cty.String), nil
+                        }
+                        l += list.LengthInt()
+                }
+
+                items := make([]string, 0, l)
+                for ai, list := range listVals {
+                        ei := 0
+                        for it := list.ElementIterator(); it.Next(); {
+                                _, val := it.Element()
+                                if val.IsNull() {
+                                        if len(listVals) > 1 {
+                                                return cty.UnknownVal(cty.String), function.NewArgErrorf(ai+1, "element %d of list %d is null; cannot concatenate null values", ei, ai+1)
+                                        }
+                                        return cty.UnknownVal(cty.String), function.NewArgErrorf(ai+1, "element %d is null; cannot concatenate null values", ei)
+                                }
+                                items = append(items, val.AsString())
+                                ei++
+                        }
+                }
+
+                return cty.StringVal(strings.Join(items, sep)), nil
+        },
+})
+
+var SortFunc = function.New(&function.Spec{
+        Params: []function.Parameter{
+                {
+                        Name: "list",
+                        Type: cty.List(cty.String),
+                },
+        },
+        Type: function.StaticReturnType(cty.List(cty.String)),
+        Impl: func(args []cty.Value, retType cty.Type) (cty.Value, error) {
+                listVal := args[0]
+
+                if !listVal.IsWhollyKnown() {
+                        // If some of the element values aren't known yet then we
+                        // can't yet preduct the order of the result.
+                        return cty.UnknownVal(retType), nil
+                }
+                if listVal.LengthInt() == 0 { // Easy path
+                        return listVal, nil
+                }
+
+                list := make([]string, 0, listVal.LengthInt())
+                for it := listVal.ElementIterator(); it.Next(); {
+                        iv, v := it.Element()
+                        if v.IsNull() {
+                                return cty.UnknownVal(retType), fmt.Errorf("given list element %s is null; a null string cannot be sorted", iv.AsBigFloat().String())
+                        }
+                        list = append(list, v.AsString())
+                }
+
+                sort.Strings(list)
+                retVals := make([]cty.Value, len(list))
+                for i, s := range list {
+                        retVals[i] = cty.StringVal(s)
+                }
+                return cty.ListVal(retVals), nil
+        },
+})
+
+var SplitFunc = function.New(&function.Spec{
+        Params: []function.Parameter{
+                {
+                        Name: "separator",
+                        Type: cty.String,
+                },
+                {
+                        Name: "str",
+                        Type: cty.String,
+                },
+        },
+        Type: function.StaticReturnType(cty.List(cty.String)),
+        Impl: func(args []cty.Value, retType cty.Type) (cty.Value, error) {
+                sep := args[0].AsString()
+                str := args[1].AsString()
+                elems := strings.Split(str, sep)
+                elemVals := make([]cty.Value, len(elems))
+                for i, s := range elems {
+                        elemVals[i] = cty.StringVal(s)
+                }
+                if len(elemVals) == 0 {
+                        return cty.ListValEmpty(cty.String), nil
+                }
+                return cty.ListVal(elemVals), nil
+        },
+})
+
+// ChompFunc constructions a function that removes newline characters at the end of a string.
+var ChompFunc = function.New(&function.Spec{
+        Params: []function.Parameter{
+                {
+                        Name: "str",
+                        Type: cty.String,
+                },
+        },
+        Type: function.StaticReturnType(cty.String),
+        Impl: func(args []cty.Value, retType cty.Type) (ret cty.Value, err error) {
+                newlines := regexp.MustCompile(`(?:\r\n?|\n)*\z`)
+                return cty.StringVal(newlines.ReplaceAllString(args[0].AsString(), "")), nil
+        },
+})
+
+// IndentFunc constructions a function that adds a given number of spaces to the
+// beginnings of all but the first line in a given multi-line string.
+var IndentFunc = function.New(&function.Spec{
+        Params: []function.Parameter{
+                {
+                        Name: "spaces",
+                        Type: cty.Number,
+                },
+                {
+                        Name: "str",
+                        Type: cty.String,
+                },
+        },
+        Type: function.StaticReturnType(cty.String),
+        Impl: func(args []cty.Value, retType cty.Type) (ret cty.Value, err error) {
+                var spaces int
+                if err := gocty.FromCtyValue(args[0], &spaces); err != nil {
+                        return cty.UnknownVal(cty.String), err
+                }
+                data := args[1].AsString()
+                pad := strings.Repeat(" ", spaces)
+                return cty.StringVal(strings.Replace(data, "\n", "\n"+pad, -1)), nil
+        },
+})
+
+// ReplaceFunc constructions a function that searches a given string for another
+// given substring, and replaces each occurence with a given replacement string.
+var ReplaceFunc = function.New(&function.Spec{
+        Params: []function.Parameter{
+                {
+                        Name: "str",
+                        Type: cty.String,
+                },
+                {
+                        Name: "substr",
+                        Type: cty.String,
+                },
+                {
+                        Name: "replace",
+                        Type: cty.String,
+                },
+        },
+        Type: function.StaticReturnType(cty.String),
+        Impl: func(args []cty.Value, retType cty.Type) (ret cty.Value, err error) {
+                str := args[0].AsString()
+                substr := args[1].AsString()
+                replace := args[2].AsString()
+
+                // We search/replace using a regexp if the string is surrounded
+                // in forward slashes.
+                if len(substr) > 1 && substr[0] == '/' && substr[len(substr)-1] == '/' {
+                        re, err := regexp.Compile(substr[1 : len(substr)-1])
+                        if err != nil {
+                                return cty.UnknownVal(cty.String), err
+                        }
+
+                        return cty.StringVal(re.ReplaceAllString(str, replace)), nil
+                }
+
+                return cty.StringVal(strings.Replace(str, substr, replace, -1)), nil
+        },
+})
+
+// TitleFunc constructions a function that converts the first letter of each word
+// in the given string to uppercase.
+var TitleFunc = function.New(&function.Spec{
+        Params: []function.Parameter{
+                {
+                        Name: "str",
+                        Type: cty.String,
+                },
+        },
+        Type: function.StaticReturnType(cty.String),
+        Impl: func(args []cty.Value, retType cty.Type) (ret cty.Value, err error) {
+                return cty.StringVal(strings.Title(args[0].AsString())), nil
+        },
+})
+
+// TrimSpaceFunc constructions a function that removes any space characters from
+// the start and end of the given string.
+var TrimSpaceFunc = function.New(&function.Spec{
+        Params: []function.Parameter{
+                {
+                        Name: "str",
+                        Type: cty.String,
+                },
+        },
+        Type: function.StaticReturnType(cty.String),
+        Impl: func(args []cty.Value, retType cty.Type) (ret cty.Value, err error) {
+                return cty.StringVal(strings.TrimSpace(args[0].AsString())), nil
+        },
+})
+
+// Join concatenates together the string elements of one or more lists with a
+// given separator.
+func Join(sep cty.Value, lists ...cty.Value) (cty.Value, error) {
+        args := make([]cty.Value, len(lists)+1)
+        args[0] = sep
+        copy(args[1:], lists)
+        return JoinFunc.Call(args)
+}
+
+// Sort re-orders the elements of a given list of strings so that they are
+// in ascending lexicographical order.
+func Sort(list cty.Value) (cty.Value, error) {
+        return SortFunc.Call([]cty.Value{list})
+}
+
+// Split divides a given string by a given separator, returning a list of
+// strings containing the characters between the separator sequences.
+func Split(sep, str cty.Value) (cty.Value, error) {
+        return SplitFunc.Call([]cty.Value{sep, str})
+}
+
+// Chomp removes newline characters at the end of a string.
+func Chomp(str cty.Value) (cty.Value, error) {
+        return ChompFunc.Call([]cty.Value{str})
+}
+
+// Indent adds a given number of spaces to the beginnings of all but the first
+// line in a given multi-line string.
+func Indent(spaces, str cty.Value) (cty.Value, error) {
+        return IndentFunc.Call([]cty.Value{spaces, str})
+}
+
+// Replace searches a given string for another given substring,
+// and replaces all occurences with a given replacement string.
+func Replace(str, substr, replace cty.Value) (cty.Value, error) {
+        return ReplaceFunc.Call([]cty.Value{str, substr, replace})
+}
+
+// Title converts the first letter of each word in the given string to uppercase.
+func Title(str cty.Value) (cty.Value, error) {
+        return TitleFunc.Call([]cty.Value{str})
+}
+
+// TrimSpace removes any space characters from the start and end of the given string.
+func TrimSpace(str cty.Value) (cty.Value, error) {
+        return TrimSpaceFunc.Call([]cty.Value{str})
+}