lib/min_str.nim
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 |
import
tables,
strutils,
sequtils
import
../core/parser,
../core/value,
../core/interpreter,
../core/utils,
../packages/nim-sgregex/sgregex
proc str_module*(i: In) =
let def = i.define()
def.symbol("interpolate") do (i: In):
var s, q: MinValue
i.reqQuotationAndString q, s
var strings = newSeq[string](0)
for el in q.qVal:
strings.add $$el
let res = s.strVal % strings
i.push res.newVal
def.symbol("strip") do (i: In):
var s: MinValue
i.reqStringLike s
i.push s.getString.strip.newVal
def.symbol("split") do (i: In):
var sep, s: MinValue
i.reqTwoStrings sep, s
var q = newSeq[MinValue](0)
for e in s.strVal.split(sep.strVal):
q.add e.newVal
i.push q.newVal(i.scope)
def.symbol("join") do (i: In):
var q, s: MinValue
i.reqStringLikeAndQuotation s, q
i.push q.qVal.mapIt($$it).join(s.getString).newVal
def.symbol("length") do (i: In):
var s: MinValue
i.reqStringLike s
i.push s.getString.len.newVal
def.symbol("lowercase") do (i: In):
var s: MinValue
i.reqStringLike s
i.push s.getString.toLowerAscii.newVal
def.symbol("uppercase") do (i: In):
var s: MinValue
i.reqStringLike s
i.push s.getString.toUpperAscii.newVal
def.symbol("capitalize") do (i: In):
var s: MinValue
i.reqStringLike s
i.push s.getString.capitalizeAscii.newVal
def.symbol("titleize") do (i: In):
var s: MinValue
i.reqStringLike s
i.push s.getString.split(" ").mapIt(it.capitalizeAscii).join(" ").newVal
def.symbol("repeat") do (i: In):
var s, n: MinValue
i.reqIntAndString n, s
i.push s.getString.repeat(n.intVal).newVal
def.symbol("indent") do (i: In):
var s, n: MinValue
i.reqIntAndString n, s
i.push s.getString.indent(n.intVal).newVal
def.symbol("string") do (i: In):
var s = i.pop
i.push(($$s).newVal)
def.symbol("bool") do (i: In):
var v = i.pop
let strcheck = (v.isString and (v.getString == "false" or v.getString == ""))
let intcheck = v.isInt and v.intVal == 0
let floatcheck = v.isFloat and v.floatVal == 0
let boolcheck = v.isBool and v.boolVal == false
let quotcheck = v.isQuotation and v.qVal.len == 0
if strcheck or intcheck or floatcheck or boolcheck or quotcheck:
i.push false.newVal
else:
i.push true.newVal
def.symbol("int") do (i: In):
var s = i.pop
if s.isString:
i.push s.getString.parseInt.newVal
elif s.isFloat:
i.push s.floatVal.int.newVal
elif s.isInt:
i.push s
elif s.isBool:
if s.boolVal == true:
i.push 1.int.newVal
else:
i.push 0.int.newVal
else:
raiseInvalid("Cannot convert a quotation to an integer.")
def.symbol("float") do (i: In):
var s = i.pop
if s.isString:
i.push s.getString.parseFloat.newVal
elif s.isInt:
i.push s.intVal.float.newVal
elif s.isFloat:
i.push s
elif s.isBool:
if s.boolVal == true:
i.push 1.float.newVal
else:
i.push 0.float.newVal
else:
raiseInvalid("Cannot convert a quotation to float.")
def.symbol("search") do (i: In):
var reg, str: MinValue
i.reqTwoStrings reg, str
var matches = str.strVal.search(reg.strVal)
var res = newSeq[MinValue](matches.len)
for i in 0..matches.len-1:
res[i] = matches[i].newVal
i.push res.newVal(i.scope)
def.symbol("match") do (i: In):
var reg, str: MinValue
i.reqTwoStrings reg, str
if str.strVal.match(reg.strVal):
i.push true.newVal
else:
i.push false.newVal
def.symbol("replace") do (i: In):
var s_replace, reg, s_find: MinValue
i.reqThreeStrings s_replace, reg, s_find
i.push sgregex.replace(s_find.strVal, reg.strVal, s_replace.strVal).newVal
def.symbol("regex") do (i: In):
var reg, str: MinValue
i.reqTwoStrings reg, str
let results = str.strVal =~ reg.strVal
var res = newSeq[MinValue](0)
for r in results:
res.add(r.newVal)
i.push res.newVal(i.scope)
def.symbol("=~") do (i: In):
i.push("regex".newSym)
def.symbol("%") do (i: In):
i.push("interpolate".newSym)
def.finalize("str")
|