floscr/org-parser
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Multiline string fixes

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This commit is contained in:
Florian Schroedl
2022-06-18 12:04:52 +02:00
parent 748a9763f2
commit 8ede62cc17
1 changed files with 49 additions and 17 deletions
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66
src/parser/parser_types.nim
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@@ -357,22 +357,40 @@ func highlightStreamPosition2(stream: string, position: int): string =
if position < 0: return stream
if position > stream.len - 1: return stream
let startIndex = stream.rfind("\n", 0, position)
let ch = stream[position]
let (lineStartPosition, lineEndPosition) =
case ch:
# of '\n':
# let lineStartPosition = (position - 1).max(0)
# let lineEndPosition = (position).min(stream.len - 1)
# (lineStartPosition, lineEndPosition)
else:
(position, position)
debugEcho "char: " & $ch
debugEcho "position: " & $position
let startIndex = stream.rfind("\n", 0, lineStartPosition)
let lineStartIndex =
case startIndex:
of -1: 0
else: startIndex
else: startIndex + 1
let endIndex = stream.find("\n", position)
debugEcho "startIndex: " & $lineStartIndex
let endIndex = stream.find("\n", lineEndPosition)
let lineEndIndex =
case endIndex:
of -1: stream.len - 1
of -1: stream.len
else: endIndex
let spaceChars = " ".repeat(position - lineStartIndex)
let lineChars = "_".repeat((lineEndIndex - position) + 10)
debugEcho "endIndex: " & $lineEndIndex
let spaceChars = " ".repeat((position - lineStartIndex).max(0))
let lineChars = "_".repeat((lineEndIndex - position).max(0) + 10)
let ch = stream[position]
let escapedChar =
case ch:
of '\n': "\\n"
@@ -382,9 +400,11 @@ func highlightStreamPosition2(stream: string, position: int): string =
let insertMessageAtIndex =
case ch:
# Print indicator for newlines on the previous line, which looks better for the reader
of '\n': (lineEndIndex - 1).max(0)
of '\n': (lineEndIndex - 1).max(1)
else: lineEndIndex
debugEcho "insertMessageAtIndex: " & $insertMessageAtIndex
stream.dup(insert(&"\n{spaceChars}^{lineChars} Char at \"{escapedChar}\"\n", insertMessageAtIndex))
proc `$`*(x: ParserState): string =
@@ -432,12 +452,24 @@ proc `$`*(x: ParserError): string =
else: "ParseError"
when isMainModule:
block highlightStreamPosition:
let s = "abc"
# Out of bounds
assert s.highlightStreamPosition(-1) == s
assert s.highlightStreamPosition(s.len) == s
# Regular highlighting
assert s.highlightStreamPosition(0) == LEFT_HIGHLIGHT_CHAR & "a" & RIGHT_HIGHLIGHT_CHAR & "bc"
assert s.highlightStreamPosition(1) == "a" & LEFT_HIGHLIGHT_CHAR & "b" & RIGHT_HIGHLIGHT_CHAR & "c"
assert s.highlightStreamPosition(2) == "ab" & LEFT_HIGHLIGHT_CHAR & "c" & RIGHT_HIGHLIGHT_CHAR
let test1 = """AB
C
D"""
echo test1.highlightStreamPosition2(test1.find("B"))
echo "=============="
echo test1.highlightStreamPosition2(test1.find("C"))
echo "=============="
echo test1.highlightStreamPosition2(test1.find("D"))
# echo "\n1\n".rfind('\n', 0, 2)
# block highlightStreamPosition:
# let s = "abc"
# # Out of bounds
# assert s.highlightStreamPosition(-1) == s
# assert s.highlightStreamPosition(s.len) == s
# # Regular highlighting
# assert s.highlightStreamPosition(0) == LEFT_HIGHLIGHT_CHAR & "a" & RIGHT_HIGHLIGHT_CHAR & "bc"
# assert s.highlightStreamPosition(1) == "a" & LEFT_HIGHLIGHT_CHAR & "b" & RIGHT_HIGHLIGHT_CHAR & "c"
# assert s.highlightStreamPosition(2) == "ab" & LEFT_HIGHLIGHT_CHAR & "c" & RIGHT_HIGHLIGHT_CHAR