59 lines
1.6 KiB
Go
59 lines
1.6 KiB
Go
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package hclpack
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import (
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"github.com/hashicorp/hcl2/hcl"
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"github.com/hashicorp/hcl2/hcl/hclsyntax"
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)
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// PackNativeFile parses the given source code as HCL native syntax and packs
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// it into a hclpack Body ready to be marshalled.
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//
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// If the given source code contains syntax errors then error diagnostics will
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// be returned. A non-nil body might still be returned in this case, which
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// allows a cautious caller to still do certain analyses on the result.
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func PackNativeFile(src []byte, filename string, start hcl.Pos) (*Body, hcl.Diagnostics) {
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f, diags := hclsyntax.ParseConfig(src, filename, start)
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rootBody := f.Body.(*hclsyntax.Body)
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return packNativeBody(rootBody, src), diags
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}
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func packNativeBody(body *hclsyntax.Body, src []byte) *Body {
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ret := &Body{}
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for name, attr := range body.Attributes {
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exprRng := attr.Expr.Range()
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exprStartRng := attr.Expr.StartRange()
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exprSrc := exprRng.SliceBytes(src)
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ret.setAttribute(name, Attribute{
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Expr: Expression{
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Source: exprSrc,
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SourceType: ExprNative,
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Range_: exprRng,
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StartRange_: exprStartRng,
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},
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Range: attr.Range(),
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NameRange: attr.NameRange,
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})
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}
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for _, block := range body.Blocks {
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childBody := packNativeBody(block.Body, src)
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defRange := block.TypeRange
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if len(block.LabelRanges) > 0 {
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defRange = hcl.RangeBetween(defRange, block.LabelRanges[len(block.LabelRanges)-1])
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}
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ret.appendBlock(Block{
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Type: block.Type,
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Labels: block.Labels,
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Body: *childBody,
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TypeRange: block.TypeRange,
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DefRange: defRange,
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LabelRanges: block.LabelRanges,
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})
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}
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ret.MissingItemRange_ = body.EndRange
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return ret
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}
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