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add FileReader Web API to js dom (#14105)

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* add FileReader to js dom
* minor improvement
Co-authored-by: cooldome <ariabushenko@bk.ru>
This commit is contained in:
cooldome
2020-04-26 23:08:11 +01:00
committed by GitHub
parent 9384f7ad35
commit eaedd0cb94
1 changed files with 58 additions and 8 deletions
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66
lib/js/dom.nim
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@@ -39,6 +39,9 @@ type
onselect*: proc (event: Event) {.nimcall.}
onsubmit*: proc (event: Event) {.nimcall.}
onunload*: proc (event: Event) {.nimcall.}
onloadstart*: proc (event: Event) {.nimcall.}
onprogress*: proc (event: Event) {.nimcall.}
onloadend*: proc (event: Event) {.nimcall.}
DomEvent* {.pure.} = enum
## see `docs<https://developer.mozilla.org/en-US/docs/Web/Events>`_
@@ -988,14 +991,38 @@ type
passive*: bool
since (1, 3):
type DomParser* = ref object ## \
## DOM Parser object (defined on browser only, may not be on NodeJS).
## * https://developer.mozilla.org/en-US/docs/Web/API/DOMParser
##
## .. code-block:: nim
## let prsr = newDomParser()
## discard prsr.parseFromString("<html><marquee>Hello World</marquee></html>".cstring, "text/html".cstring)
type
DomParser* = ref object
## DOM Parser object (defined on browser only, may not be on NodeJS).
## * https://developer.mozilla.org/en-US/docs/Web/API/DOMParser
##
## .. code-block:: nim
## let prsr = newDomParser()
## discard prsr.parseFromString("<html><marquee>Hello World</marquee></html>".cstring, "text/html".cstring)
DomException* = ref DOMExceptionObj
## The DOMException interface represents an abnormal event (called an exception)
## which occurs as a result of calling a method or accessing a property of a web API.
## Each exception has a name, which is a short "CamelCase" style string identifying
## the error or abnormal condition.
## https://developer.mozilla.org/en-US/docs/Web/API/DOMException
DOMExceptionObj {.importc.} = object
FileReader* = ref FileReaderObj
## The FileReader object lets web applications asynchronously read the contents of files
## (or raw data buffers) stored on the user's computer, using File or Blob objects to specify
## the file or data to read.
## https://developer.mozilla.org/en-US/docs/Web/API/FileReader
FileReaderObj {.importc.} = object of EventTargetObj
FileReaderState* = distinct range[0'u16..2'u16]
const
fileReaderEmpty* = 0.FileReaderState
fileReaderLoading* = 1.FileReaderState
fileReaderDone* = 2.FileReaderState
proc id*(n: Node): cstring {.importcpp: "#.id", nodecl.}
proc `id=`*(n: Node; x: cstring) {.importcpp: "#.id = #", nodecl.}
@@ -1318,6 +1345,29 @@ proc offsetLeft*(e: Node): int {.importcpp: "#.offsetLeft", nodecl.}
since (1, 3):
func newDomParser*(): DOMParser {.importcpp: "new DOMParser()".}
## DOM Parser constructor.
func parseFromString*(this: DOMParser; str: cstring; mimeType: cstring): Document {.importcpp.}
## Parse from string to `Document`.
proc newDomException*(): DomException {.importcpp: "new DomException()", constructor.}
## DOM Exception constructor
proc message*(ex: DomException): cstring {.importcpp: "#.message", nodecl.}
## https://developer.mozilla.org/en-US/docs/Web/API/DOMException/message
proc name*(ex: DomException): cstring {.importcpp: "#.name", nodecl.}
## https://developer.mozilla.org/en-US/docs/Web/API/DOMException/name
proc newFileReader*(): FileReader {.importcpp: "new FileReader()", constructor.}
## File Reader constructor
proc error*(f: FileReader): DOMException {.importcpp: "#.error", nodecl.}
## https://developer.mozilla.org/en-US/docs/Web/API/FileReader/error
proc readyState*(f: FileReader): FileReaderState {.importcpp: "#.readyState", nodecl.}
## https://developer.mozilla.org/en-US/docs/Web/API/FileReader/readyState
proc resultAsString*(f: FileReader): cstring {.importcpp: "#.result", nodecl.}
## https://developer.mozilla.org/en-US/docs/Web/API/FileReader/result
proc abort*(f: FileReader) {.importcpp: "#.abort()".}
## https://developer.mozilla.org/en-US/docs/Web/API/FileReader/abort
proc readAsBinaryString*(f: FileReader, b: Blob) {.importcpp: "#.readAsBinaryString(#)".}
## https://developer.mozilla.org/en-US/docs/Web/API/FileReader/readAsBinaryString
proc readAsDataURL*(f: FileReader, b: Blob) {.importcpp: "#.readAsDataURL(#)".}
## https://developer.mozilla.org/en-US/docs/Web/API/FileReader/readAsDataURL
proc readAsText*(f: FileReader, b: Blob, encoding = cstring"UTF-8") {.importcpp: "#.readAsText(#, #)".}
## https://developer.mozilla.org/en-US/docs/Web/API/FileReader/readAsText