mirror of
https://github.com/nim-lang/Nim.git
synced 2026-01-01 02:42:05 +00:00
more modules updated
This commit is contained in:
@@ -82,7 +82,7 @@ type
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stateEof, stateStart, stateObject, stateArray, stateExpectArrayComma,
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stateExpectObjectComma, stateExpectColon, stateExpectValue
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JsonParser* = object of TBaseLexer ## the parser object.
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JsonParser* = object of BaseLexer ## the parser object.
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a: string
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tok: TTokKind
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kind: JsonEventKind
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@@ -119,7 +119,7 @@ const
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"{", "}", "[", "]", ":", ","
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]
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proc open*(my: var JsonParser, input: PStream, filename: string) =
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proc open*(my: var JsonParser, input: Stream, filename: string) =
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## initializes the parser with an input stream. `Filename` is only used
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## for nice error messages.
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lexbase.open(my, input)
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@@ -224,7 +224,7 @@ proc parseString(my: var JsonParser): TTokKind =
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if handleHexChar(buf[pos], r): inc(pos)
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if handleHexChar(buf[pos], r): inc(pos)
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if handleHexChar(buf[pos], r): inc(pos)
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add(my.a, toUTF8(TRune(r)))
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add(my.a, toUTF8(Rune(r)))
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else:
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# don't bother with the error
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add(my.a, buf[pos])
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@@ -402,7 +402,7 @@ proc next*(my: var JsonParser) =
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case tk
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of tkString, tkInt, tkFloat, tkTrue, tkFalse, tkNull:
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my.state[i] = stateEof # expect EOF next!
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my.kind = TJsonEventKind(ord(tk))
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my.kind = JsonEventKind(ord(tk))
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of tkBracketLe:
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my.state.add(stateArray) # we expect any
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my.kind = jsonArrayStart
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@@ -418,7 +418,7 @@ proc next*(my: var JsonParser) =
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case tk
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of tkString, tkInt, tkFloat, tkTrue, tkFalse, tkNull:
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my.state.add(stateExpectColon)
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my.kind = TJsonEventKind(ord(tk))
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my.kind = JsonEventKind(ord(tk))
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of tkBracketLe:
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my.state.add(stateExpectColon)
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my.state.add(stateArray)
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@@ -437,7 +437,7 @@ proc next*(my: var JsonParser) =
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case tk
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of tkString, tkInt, tkFloat, tkTrue, tkFalse, tkNull:
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my.state.add(stateExpectArrayComma) # expect value next!
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my.kind = TJsonEventKind(ord(tk))
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my.kind = JsonEventKind(ord(tk))
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of tkBracketLe:
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my.state.add(stateExpectArrayComma)
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my.state.add(stateArray)
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@@ -488,7 +488,7 @@ proc next*(my: var JsonParser) =
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case tk
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of tkString, tkInt, tkFloat, tkTrue, tkFalse, tkNull:
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my.state[i] = stateExpectObjectComma
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my.kind = TJsonEventKind(ord(tk))
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my.kind = JsonEventKind(ord(tk))
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of tkBracketLe:
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my.state[i] = stateExpectObjectComma
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my.state.add(stateArray)
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@@ -505,7 +505,7 @@ proc next*(my: var JsonParser) =
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# ------------- higher level interface ---------------------------------------
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type
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TJsonNodeKind* = enum ## possible JSON node types
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JsonNodeKind* = enum ## possible JSON node types
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JNull,
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JBool,
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JInt,
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@@ -514,9 +514,9 @@ type
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JObject,
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JArray
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PJsonNode* = ref TJsonNode ## JSON node
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TJsonNode* {.final, pure, acyclic.} = object
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case kind*: TJsonNodeKind
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JsonNode* = ref JsonNodeObj ## JSON node
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JsonNodeObj* {.acyclic.} = object
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case kind*: JsonNodeKind
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of JString:
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str*: string
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of JInt:
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@@ -528,104 +528,104 @@ type
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of JNull:
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nil
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of JObject:
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fields*: seq[tuple[key: string, val: PJsonNode]]
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fields*: seq[tuple[key: string, val: JsonNode]]
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of JArray:
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elems*: seq[PJsonNode]
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elems*: seq[JsonNode]
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JsonParsingError* = object of ValueError ## is raised for a JSON error
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{.deprecated: [EJsonParsingError: JsonParsingError, TJsonNode: JsonNodeObj,
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PJsonNode: JsonNode, TJsonNodeKind: JsonNodeKind].}
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proc raiseParseErr*(p: TJsonParser, msg: string) {.noinline, noreturn.} =
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proc raiseParseErr*(p: JsonParser, msg: string) {.noinline, noreturn.} =
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## raises an `EJsonParsingError` exception.
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raise newException(EJsonParsingError, errorMsgExpected(p, msg))
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raise newException(JsonParsingError, errorMsgExpected(p, msg))
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proc newJString*(s: string): PJsonNode =
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proc newJString*(s: string): JsonNode =
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## Creates a new `JString PJsonNode`.
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new(result)
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result.kind = JString
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result.str = s
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proc newJStringMove(s: string): PJsonNode =
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proc newJStringMove(s: string): JsonNode =
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new(result)
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result.kind = JString
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shallowCopy(result.str, s)
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proc newJInt*(n: BiggestInt): PJsonNode =
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proc newJInt*(n: BiggestInt): JsonNode =
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## Creates a new `JInt PJsonNode`.
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new(result)
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result.kind = JInt
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result.num = n
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proc newJFloat*(n: float): PJsonNode =
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proc newJFloat*(n: float): JsonNode =
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## Creates a new `JFloat PJsonNode`.
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new(result)
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result.kind = JFloat
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result.fnum = n
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proc newJBool*(b: bool): PJsonNode =
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proc newJBool*(b: bool): JsonNode =
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## Creates a new `JBool PJsonNode`.
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new(result)
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result.kind = JBool
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result.bval = b
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proc newJNull*(): PJsonNode =
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proc newJNull*(): JsonNode =
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## Creates a new `JNull PJsonNode`.
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new(result)
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proc newJObject*(): PJsonNode =
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proc newJObject*(): JsonNode =
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## Creates a new `JObject PJsonNode`
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new(result)
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result.kind = JObject
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result.fields = @[]
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proc newJArray*(): PJsonNode =
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proc newJArray*(): JsonNode =
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## Creates a new `JArray PJsonNode`
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new(result)
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result.kind = JArray
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result.elems = @[]
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proc `%`*(s: string): PJsonNode =
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proc `%`*(s: string): JsonNode =
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## Generic constructor for JSON data. Creates a new `JString PJsonNode`.
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new(result)
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result.kind = JString
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result.str = s
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proc `%`*(n: BiggestInt): PJsonNode =
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proc `%`*(n: BiggestInt): JsonNode =
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## Generic constructor for JSON data. Creates a new `JInt PJsonNode`.
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new(result)
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result.kind = JInt
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result.num = n
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proc `%`*(n: float): PJsonNode =
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proc `%`*(n: float): JsonNode =
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## Generic constructor for JSON data. Creates a new `JFloat PJsonNode`.
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new(result)
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result.kind = JFloat
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result.fnum = n
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proc `%`*(b: bool): PJsonNode =
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proc `%`*(b: bool): JsonNode =
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## Generic constructor for JSON data. Creates a new `JBool PJsonNode`.
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new(result)
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result.kind = JBool
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result.bval = b
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proc `%`*(keyVals: openArray[tuple[key: string, val: PJsonNode]]): PJsonNode =
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proc `%`*(keyVals: openArray[tuple[key: string, val: JsonNode]]): JsonNode =
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## Generic constructor for JSON data. Creates a new `JObject PJsonNode`
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new(result)
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result.kind = JObject
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newSeq(result.fields, keyVals.len)
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for i, p in pairs(keyVals): result.fields[i] = p
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proc `%`*(elements: openArray[PJsonNode]): PJsonNode =
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proc `%`*(elements: openArray[JsonNode]): JsonNode =
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## Generic constructor for JSON data. Creates a new `JArray PJsonNode`
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new(result)
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result.kind = JArray
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newSeq(result.elems, elements.len)
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for i, p in pairs(elements): result.elems[i] = p
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proc `==`* (a,b: PJsonNode): bool =
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proc `==`* (a,b: JsonNode): bool =
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## Check two nodes for equality
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if a.isNil:
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if b.isNil: return true
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@@ -649,7 +649,7 @@ proc `==`* (a,b: PJsonNode): bool =
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of JObject:
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a.fields == b.fields
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proc hash* (n:PJsonNode): THash =
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proc hash* (n:JsonNode): THash =
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## Compute the hash for a JSON node
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case n.kind
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of JArray:
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@@ -667,7 +667,7 @@ proc hash* (n:PJsonNode): THash =
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of JNull:
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result = hash(0)
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proc len*(n: PJsonNode): int =
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proc len*(n: JsonNode): int =
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## If `n` is a `JArray`, it returns the number of elements.
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## If `n` is a `JObject`, it returns the number of pairs.
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## Else it returns 0.
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@@ -676,7 +676,7 @@ proc len*(n: PJsonNode): int =
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of JObject: result = n.fields.len
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else: discard
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proc `[]`*(node: PJsonNode, name: string): PJsonNode =
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proc `[]`*(node: JsonNode, name: string): JsonNode =
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## Gets a field from a `JObject`, which must not be nil.
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## If the value at `name` does not exist, returns nil
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assert(not isNil(node))
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@@ -686,35 +686,35 @@ proc `[]`*(node: PJsonNode, name: string): PJsonNode =
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return item
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return nil
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proc `[]`*(node: PJsonNode, index: int): PJsonNode =
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proc `[]`*(node: JsonNode, index: int): JsonNode =
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## Gets the node at `index` in an Array. Result is undefined if `index`
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## is out of bounds
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assert(not isNil(node))
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assert(node.kind == JArray)
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return node.elems[index]
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proc hasKey*(node: PJsonNode, key: string): bool =
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proc hasKey*(node: JsonNode, key: string): bool =
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## Checks if `key` exists in `node`.
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assert(node.kind == JObject)
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for k, item in items(node.fields):
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if k == key: return true
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proc existsKey*(node: PJsonNode, key: string): bool {.deprecated.} = node.hasKey(key)
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proc existsKey*(node: JsonNode, key: string): bool {.deprecated.} = node.hasKey(key)
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## Deprecated for `hasKey`
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proc add*(father, child: PJsonNode) =
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proc add*(father, child: JsonNode) =
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## Adds `child` to a JArray node `father`.
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assert father.kind == JArray
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father.elems.add(child)
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proc add*(obj: PJsonNode, key: string, val: PJsonNode) =
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proc add*(obj: JsonNode, key: string, val: JsonNode) =
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## Adds ``(key, val)`` pair to the JObject node `obj`. For speed
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## reasons no check for duplicate keys is performed!
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## But ``[]=`` performs the check.
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assert obj.kind == JObject
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obj.fields.add((key, val))
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|
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proc `[]=`*(obj: PJsonNode, key: string, val: PJsonNode) =
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proc `[]=`*(obj: JsonNode, key: string, val: JsonNode) =
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## Sets a field from a `JObject`. Performs a check for duplicate keys.
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assert(obj.kind == JObject)
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||||
for i in 0..obj.fields.len-1:
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@@ -723,14 +723,14 @@ proc `[]=`*(obj: PJsonNode, key: string, val: PJsonNode) =
|
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return
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obj.fields.add((key, val))
|
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|
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proc `{}`*(node: PJsonNode, key: string): PJsonNode =
|
||||
proc `{}`*(node: JsonNode, key: string): JsonNode =
|
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## Transverses the node and gets the given value. If any of the
|
||||
## names does not exist, returns nil
|
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result = node
|
||||
if isNil(node): return nil
|
||||
result = result[key]
|
||||
|
||||
proc `{}=`*(node: PJsonNode, names: varargs[string], value: PJsonNode) =
|
||||
proc `{}=`*(node: JsonNode, names: varargs[string], value: JsonNode) =
|
||||
## Transverses the node and tries to set the value at the given location
|
||||
## to `value` If any of the names are missing, they are added
|
||||
var node = node
|
||||
@@ -740,7 +740,7 @@ proc `{}=`*(node: PJsonNode, names: varargs[string], value: PJsonNode) =
|
||||
node = node[names[i]]
|
||||
node[names[names.len-1]] = value
|
||||
|
||||
proc delete*(obj: PJsonNode, key: string) =
|
||||
proc delete*(obj: JsonNode, key: string) =
|
||||
## Deletes ``obj[key]`` preserving the order of the other (key, value)-pairs.
|
||||
assert(obj.kind == JObject)
|
||||
for i in 0..obj.fields.len-1:
|
||||
@@ -749,7 +749,7 @@ proc delete*(obj: PJsonNode, key: string) =
|
||||
return
|
||||
raise newException(IndexError, "key not in object")
|
||||
|
||||
proc copy*(p: PJsonNode): PJsonNode =
|
||||
proc copy*(p: JsonNode): JsonNode =
|
||||
## Performs a deep copy of `a`.
|
||||
case p.kind
|
||||
of JString:
|
||||
@@ -800,7 +800,7 @@ proc escapeJson*(s: string): string =
|
||||
result.add(toHex(r, 4))
|
||||
result.add("\"")
|
||||
|
||||
proc toPretty(result: var string, node: PJsonNode, indent = 2, ml = true,
|
||||
proc toPretty(result: var string, node: JsonNode, indent = 2, ml = true,
|
||||
lstArr = false, currIndent = 0) =
|
||||
case node.kind
|
||||
of JObject:
|
||||
@@ -855,34 +855,34 @@ proc toPretty(result: var string, node: PJsonNode, indent = 2, ml = true,
|
||||
if lstArr: result.indent(currIndent)
|
||||
result.add("null")
|
||||
|
||||
proc pretty*(node: PJsonNode, indent = 2): string =
|
||||
proc pretty*(node: JsonNode, indent = 2): string =
|
||||
## Converts `node` to its JSON Representation, with indentation and
|
||||
## on multiple lines.
|
||||
result = ""
|
||||
toPretty(result, node, indent)
|
||||
|
||||
proc `$`*(node: PJsonNode): string =
|
||||
proc `$`*(node: JsonNode): string =
|
||||
## Converts `node` to its JSON Representation on one line.
|
||||
result = ""
|
||||
toPretty(result, node, 1, false)
|
||||
|
||||
iterator items*(node: PJsonNode): PJsonNode =
|
||||
iterator items*(node: JsonNode): JsonNode =
|
||||
## Iterator for the items of `node`. `node` has to be a JArray.
|
||||
assert node.kind == JArray
|
||||
for i in items(node.elems):
|
||||
yield i
|
||||
|
||||
iterator pairs*(node: PJsonNode): tuple[key: string, val: PJsonNode] =
|
||||
iterator pairs*(node: JsonNode): tuple[key: string, val: JsonNode] =
|
||||
## Iterator for the child elements of `node`. `node` has to be a JObject.
|
||||
assert node.kind == JObject
|
||||
for key, val in items(node.fields):
|
||||
yield (key, val)
|
||||
|
||||
proc eat(p: var TJsonParser, tok: TTokKind) =
|
||||
proc eat(p: var JsonParser, tok: TTokKind) =
|
||||
if p.tok == tok: discard getTok(p)
|
||||
else: raiseParseErr(p, tokToStr[tok])
|
||||
|
||||
proc parseJson(p: var TJsonParser): PJsonNode =
|
||||
proc parseJson(p: var JsonParser): JsonNode =
|
||||
## Parses JSON from a JSON Parser `p`.
|
||||
case p.tok
|
||||
of tkString:
|
||||
@@ -931,20 +931,20 @@ proc parseJson(p: var TJsonParser): PJsonNode =
|
||||
raiseParseErr(p, "{")
|
||||
|
||||
when not defined(js):
|
||||
proc parseJson*(s: PStream, filename: string): PJsonNode =
|
||||
proc parseJson*(s: Stream, filename: string): JsonNode =
|
||||
## Parses from a stream `s` into a `PJsonNode`. `filename` is only needed
|
||||
## for nice error messages.
|
||||
var p: TJsonParser
|
||||
var p: JsonParser
|
||||
p.open(s, filename)
|
||||
discard getTok(p) # read first token
|
||||
result = p.parseJson()
|
||||
p.close()
|
||||
|
||||
proc parseJson*(buffer: string): PJsonNode =
|
||||
proc parseJson*(buffer: string): JsonNode =
|
||||
## Parses JSON from `buffer`.
|
||||
result = parseJson(newStringStream(buffer), "input")
|
||||
|
||||
proc parseFile*(filename: string): PJsonNode =
|
||||
proc parseFile*(filename: string): JsonNode =
|
||||
## Parses `file` into a `PJsonNode`.
|
||||
var stream = newFileStream(filename, fmRead)
|
||||
if stream == nil:
|
||||
@@ -1062,8 +1062,8 @@ when isMainModule:
|
||||
echo(pretty(parsed2))
|
||||
try:
|
||||
echo(parsed["key2"][12123])
|
||||
raise newException(EInvalidValue, "That line was expected to fail")
|
||||
except EInvalidIndex: echo()
|
||||
raise newException(ValueError, "That line was expected to fail")
|
||||
except IndexError: echo()
|
||||
|
||||
let testJson = parseJson"""{ "a": [1, 2, 3, 4], "b": "asd" }"""
|
||||
# nil passthrough
|
||||
@@ -1075,12 +1075,12 @@ when isMainModule:
|
||||
try:
|
||||
let a = testJson["a"][9]
|
||||
assert(false, "EInvalidIndex not thrown")
|
||||
except EInvalidIndex:
|
||||
except IndexError:
|
||||
discard
|
||||
try:
|
||||
let a = testJson["a"][-1]
|
||||
assert(false, "EInvalidIndex not thrown")
|
||||
except EInvalidIndex:
|
||||
except IndexError:
|
||||
discard
|
||||
try:
|
||||
assert(testJson["a"][0].num == 1, "Index doesn't correspond to its value")
|
||||
|
||||
@@ -216,7 +216,7 @@ when not defined(windows):
|
||||
gFG = 0
|
||||
gBG = 0
|
||||
|
||||
proc setStyle*(style: set[TStyle]) =
|
||||
proc setStyle*(style: set[Style]) =
|
||||
## sets the terminal style
|
||||
when defined(windows):
|
||||
var a = 0'i16
|
||||
@@ -229,7 +229,7 @@ proc setStyle*(style: set[TStyle]) =
|
||||
for s in items(style):
|
||||
stdout.write("\e[" & $ord(s) & 'm')
|
||||
|
||||
proc writeStyled*(txt: string, style: set[TStyle] = {styleBright}) =
|
||||
proc writeStyled*(txt: string, style: set[Style] = {styleBright}) =
|
||||
## writes the text `txt` in a given `style`.
|
||||
when defined(windows):
|
||||
var old = getAttributes()
|
||||
|
||||
@@ -58,7 +58,7 @@ template suite*(name: expr, body: stmt): stmt {.immediate, dirty.} =
|
||||
|
||||
proc testDone(name: string, s: TestStatus) =
|
||||
if s == FAILED:
|
||||
program_result += 1
|
||||
programResult += 1
|
||||
|
||||
if OutputLevel != PRINT_NONE and (OutputLevel == PRINT_ALL or s == FAILED):
|
||||
template rawPrint() = echo("[", $s, "] ", name, "\n")
|
||||
@@ -105,7 +105,7 @@ template fail* =
|
||||
when declared(TestStatusIMPL):
|
||||
TestStatusIMPL = FAILED
|
||||
else:
|
||||
program_result += 1
|
||||
programResult += 1
|
||||
|
||||
checkpoints = @[]
|
||||
|
||||
|
||||
Reference in New Issue
Block a user