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Move some things around

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This commit is contained in:
Flaviu Tamas 2015-01-10 16:41:55 -05:00
commit 0888b84126
1 changed files with 60 additions and 59 deletions
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src/nre.nim
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@ -6,64 +6,7 @@ from strutils import toLower, `%`
from math import ceil from math import ceil
import optional_t import optional_t
# PCRE Options {{{ # Type definitions {{{
let Options: Table[string, int] = {
"8" : pcre.UTF8,
"9" : pcre.NEVER_UTF,
"?" : pcre.NO_UTF8_CHECK,
"A" : pcre.ANCHORED,
# "C" : pcre.AUTO_CALLOUT, unsuported XXX
"E" : pcre.DOLLAR_ENDONLY,
"f" : pcre.FIRSTLINE,
"i" : pcre.CASELESS,
"m" : pcre.MULTILINE,
"N" : pcre.NO_AUTO_CAPTURE,
"O" : pcre.NO_AUTO_POSSESS,
"s" : pcre.DOTALL,
"U" : pcre.UNGREEDY,
"W" : pcre.UCP,
"X" : pcre.EXTRA,
"x" : pcre.EXTENDED,
"Y" : pcre.NO_START_OPTIMIZE,
"any" : pcre.NEWLINE_ANY,
"anycrlf" : pcre.NEWLINE_ANYCRLF,
"cr" : pcre.NEWLINE_CR,
"crlf" : pcre.NEWLINE_CRLF,
"lf" : pcre.NEWLINE_LF,
"bsr_anycrlf" : pcre.BSR_ANYCRLF,
"bsr_unicode" : pcre.BSR_UNICODE,
"js" : pcre.JAVASCRIPT_COMPAT,
}.toTable
proc tokenizeOptions(opts: string): tuple[flags: int, study: bool] =
result = (0, false)
var longOpt: string = nil
for i, c in opts:
# Handle long options {{{
if c == '<':
longOpt = ""
continue
if longOpt != nil:
if c == '>':
result.flags = result.flags or Options.fget(longOpt)
longOpt = nil
else:
longOpt.add(c.toLower)
continue
# }}}
if c == 'S': # handle study
result.study = true
continue
result.flags = result.flags or Options.fget($c)
# }}}
type type
Regex* = ref object Regex* = ref object
pattern: string # not nil pattern: string # not nil
@ -88,6 +31,7 @@ type
pattern*: string ## the pattern that caused the problem pattern*: string ## the pattern that caused the problem
StudyError* = ref object of Exception StudyError* = ref object of Exception
# }}}
proc getinfo[T](self: Regex, opt: cint): T = proc getinfo[T](self: Regex, opt: cint): T =
let retcode = pcre.fullinfo(self.pcreObj, self.pcreExtra, opt, addr result) let retcode = pcre.fullinfo(self.pcreObj, self.pcreExtra, opt, addr result)
@ -161,13 +105,70 @@ proc `[]`*(self: Captures, name: string): string =
# }}} # }}}
# Creation & Destruction {{{ # Creation & Destruction {{{
# PCRE Options {{{
let Options: Table[string, int] = {
"8" : pcre.UTF8,
"9" : pcre.NEVER_UTF,
"?" : pcre.NO_UTF8_CHECK,
"A" : pcre.ANCHORED,
# "C" : pcre.AUTO_CALLOUT, unsuported XXX
"E" : pcre.DOLLAR_ENDONLY,
"f" : pcre.FIRSTLINE,
"i" : pcre.CASELESS,
"m" : pcre.MULTILINE,
"N" : pcre.NO_AUTO_CAPTURE,
"O" : pcre.NO_AUTO_POSSESS,
"s" : pcre.DOTALL,
"U" : pcre.UNGREEDY,
"W" : pcre.UCP,
"X" : pcre.EXTRA,
"x" : pcre.EXTENDED,
"Y" : pcre.NO_START_OPTIMIZE,
"any" : pcre.NEWLINE_ANY,
"anycrlf" : pcre.NEWLINE_ANYCRLF,
"cr" : pcre.NEWLINE_CR,
"crlf" : pcre.NEWLINE_CRLF,
"lf" : pcre.NEWLINE_LF,
"bsr_anycrlf" : pcre.BSR_ANYCRLF,
"bsr_unicode" : pcre.BSR_UNICODE,
"js" : pcre.JAVASCRIPT_COMPAT,
}.toTable
proc tokenizeOptions(opts: string): tuple[flags: int, study: bool] =
result = (0, false)
var longOpt: string = nil
for i, c in opts:
# Handle long options {{{
if c == '<':
longOpt = ""
continue
if longOpt != nil:
if c == '>':
result.flags = result.flags or Options.fget(longOpt)
longOpt = nil
else:
longOpt.add(c.toLower)
continue
# }}}
if c == 'S': # handle study
result.study = true
continue
result.flags = result.flags or Options.fget($c)
# }}}
type UncheckedArray {.unchecked.}[T] = array[0 .. 0, T]
proc destroyRegex(self: Regex) = proc destroyRegex(self: Regex) =
pcre.free_substring(cast[cstring](self.pcreObj)) pcre.free_substring(cast[cstring](self.pcreObj))
self.pcreObj = nil self.pcreObj = nil
if self.pcreExtra != nil: if self.pcreExtra != nil:
pcre.free_study(self.pcreExtra) pcre.free_study(self.pcreExtra)
type UncheckedArray {.unchecked.}[T] = array[0 .. 0, T]
proc getNameToNumberTable(self: Regex): Table[string, int] = proc getNameToNumberTable(self: Regex): Table[string, int] =
let entryCount = getinfo[cint](self, pcre.INFO_NAMECOUNT) let entryCount = getinfo[cint](self, pcre.INFO_NAMECOUNT)
let entrySize = getinfo[cint](self, pcre.INFO_NAMEENTRYSIZE) let entrySize = getinfo[cint](self, pcre.INFO_NAMEENTRYSIZE)