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Move
--cid-base
helpers to cmdenc
package.
License: MIT Signed-off-by: Kevin Atkinson <k@kevina.org>
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,87 @@ | ||
package cmdenv | ||
|
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import ( | ||
oldcmds "github.com/ipfs/go-ipfs/commands" | ||
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cidenc "gx/ipfs/QmNWQygwYxgz3QzXG2ytTkrHkZ4HnnSh94ASox3JjktFcR/go-cidutil/cidenc" | ||
cmds "gx/ipfs/QmPXR4tNdLbp8HsZiPMjpsgqphX9Vhw2J6Jh5MKH2ovW3D/go-ipfs-cmds" | ||
cmdkit "gx/ipfs/QmSP88ryZkHSRn1fnngAaV2Vcn63WUJzAavnRM9CVdU1Ky/go-ipfs-cmdkit" | ||
mbase "gx/ipfs/QmekxXDhCxCJRNuzmHreuaT3BsuJcsjcXWNrtV9C8DRHtd/go-multibase" | ||
) | ||
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var OptionCidBase = cmdkit.StringOption("cid-base", "mbase", "Multi-base to use to encode version 1 CIDs in output.") | ||
var OptionOutputCidV1 = cmdkit.BoolOption("output-cidv1", "Upgrade CID version 0 to version 1 in output.") | ||
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type CidBaseHandler struct { | ||
base string | ||
upgrade bool | ||
upgradeDefined bool | ||
args []string | ||
enc *cidenc.Encoder | ||
} | ||
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func NewCidBaseHandler(req *cmds.Request) *CidBaseHandler { | ||
h := &CidBaseHandler{} | ||
h.base, _ = req.Options["cid-base"].(string) | ||
h.upgrade, h.upgradeDefined = req.Options["output-cidv1"].(bool) | ||
h.args = req.Arguments | ||
return h | ||
} | ||
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func NewCidBaseHandlerLegacy(req oldcmds.Request) *CidBaseHandler { | ||
h := &CidBaseHandler{} | ||
h.base, _, _ = req.Option("cid-base").String() | ||
h.upgrade, h.upgradeDefined, _ = req.Option("output-cidv1").Bool() | ||
h.args = req.Arguments() | ||
return h | ||
} | ||
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func (h *CidBaseHandler) UseGlobal() *CidBaseHandler { | ||
h.enc = &cidenc.Default | ||
return h | ||
} | ||
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func (h *CidBaseHandler) Proc() (*CidBaseHandler, error) { | ||
var e cidenc.Encoder = cidenc.Default | ||
if h.base != "" { | ||
var err error | ||
e.Base, err = mbase.EncoderByName(h.base) | ||
if err != nil { | ||
return h, err | ||
} | ||
} | ||
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e.Upgrade = h.upgrade | ||
if h.base != "" && !h.upgradeDefined { | ||
e.Upgrade = true | ||
} | ||
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if h.enc == nil { | ||
h.enc = &cidenc.Encoder{} | ||
} | ||
*h.enc = e | ||
return h, nil | ||
} | ||
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func (h *CidBaseHandler) Encoder() cidenc.Encoder { | ||
return *h.enc | ||
} | ||
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func (h *CidBaseHandler) EncoderFromPath(p string) cidenc.Encoder { | ||
if h.base == "" { | ||
enc, _ := cidenc.FromPath(*h.enc, p) | ||
return enc | ||
} else { | ||
return *h.enc | ||
} | ||
} | ||
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func (h *CidBaseHandler) EncoderWithOverride() cidenc.Interface { | ||
if h.base == "" { | ||
enc := cidenc.NewOverride(*h.enc) | ||
enc.Add(h.args...) | ||
return enc | ||
} else { | ||
return *h.enc | ||
} | ||
} |
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