lib/min_str.nim
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import 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): let vals = i.expect("quot", "string") var q = vals[0] let s = vals[1] var strings = newSeq[string](0) for el in q.qVal: strings.add $$el let res = s.strVal % strings i.push res.newVal def.symbol("apply-interpolate") do (i: In): i.push "apply".newSym i.push "interpolate".newSym def.symbol("strip") do (i: In): let vals = i.expect("'sym") let s = vals[0] i.push s.getString.strip.newVal def.symbol("substr") do (i: In): let vals = i.expect("int", "int", "'sym") let length = vals[0].intVal let start = vals[1].intVal let s = vals[2].getString let index = min(start+length-1, s.len-1) i.push s[start..index].newVal def.symbol("split") do (i: In): let vals = i.expect("'sym", "'sym") let sep = vals[0].getString let s = vals[1].getString var q = newSeq[MinValue](0) if (sep == ""): for c in s: q.add ($c).newVal else: for e in s.split(sep): q.add e.newVal i.push q.newVal def.symbol("join") do (i: In): let vals = i.expect("'sym", "quot") let s = vals[0] let q = vals[1] i.push q.qVal.mapIt($$it).join(s.getString).newVal def.symbol("length") do (i: In): let vals = i.expect("'sym") let s = vals[0] i.push s.getString.len.newVal def.symbol("lowercase") do (i: In): let vals = i.expect("'sym") let s = vals[0] i.push s.getString.toLowerAscii.newVal def.symbol("uppercase") do (i: In): let vals = i.expect("'sym") let s = vals[0] i.push s.getString.toUpperAscii.newVal def.symbol("capitalize") do (i: In): let vals = i.expect("'sym") let s = vals[0] i.push s.getString.capitalizeAscii.newVal def.symbol("ord") do (i: In): let vals = i.expect("'sym") let s = vals[0] if s.getString.len != 1: raiseInvalid("Symbol ord requires a string containing a single character.") i.push s.getString[0].ord.newVal def.symbol("chr") do (i: In): let vals = i.expect("int") let n = vals[0] let c = n.intVal.chr i.push ($c).newVal def.symbol("titleize") do (i: In): let vals = i.expect("'sym") let s = vals[0] i.push s.getString.split(" ").mapIt(it.capitalizeAscii).join(" ").newVal def.symbol("repeat") do (i: In): let vals = i.expect("int", "string") let n = vals[0] let s = vals[1] i.push s.getString.repeat(n.intVal).newVal def.symbol("indent") do (i: In): let vals = i.expect("int", "string") let n = vals[0] let s = vals[1] i.push s.getString.indent(n.intVal).newVal def.symbol("indexof") do (i: In): let vals = i.expect("string", "string") let reg = vals[0] let str = vals[1] let index = str.strVal.find(reg.strVal) i.push index.newVal def.symbol("search") do (i: In): let vals = i.expect("string", "string") let reg = vals[0] let str = vals[1] var matches = str.strVal.search(reg.strVal) var res = newSeq[MinValue](matches.len) for i in 0..matches.len-1: res[i] = matches[i].newVal i.push res.newVal def.symbol("match") do (i: In): let vals = i.expect("string", "string") let reg = vals[0] let str = vals[1] if str.strVal.match(reg.strVal): i.push true.newVal else: i.push false.newVal def.symbol("replace") do (i: In): let vals = i.expect("string", "string", "string") let s_replace = vals[0] let reg = vals[1] let s_find = vals[2] i.push sgregex.replace(s_find.strVal, reg.strVal, s_replace.strVal).newVal def.symbol("regex") do (i: In): let vals = i.expect("string", "string") let reg = vals[0] let str = vals[1] let results = str.strVal =~ reg.strVal var res = newSeq[MinValue](0) for r in results: res.add(r.newVal) i.push res.newVal def.symbol("from-semver") do (i: In): let vals = i.expect("string") let v = vals[0].strVal let parts = v.search("^(\\d+)\\.(\\d+)\\.(\\d+)$") if parts[0].len == 0: raiseInvalid("String '$1' is not a basic semver" % v) var d = newDict(i.scope) i.dset(d, "major", parts[1].parseInt.newVal) i.dset(d, "minor", parts[2].parseInt.newVal) i.dset(d, "patch", parts[3].parseInt.newVal) i.push d def.symbol("to-semver") do (i: In): let vals = i.expect("dict") let v = vals[0] if not v.dhas("major") or not v.dhas("minor") or not v.dhas("patch"): raiseInvalid("Dictionary does not contain major, minor and patch keys") let major = i.dget(v, "major") let minor = i.dget(v, "minor") let patch = i.dget(v, "patch") if major.kind != minInt or minor.kind != minInt or patch.kind != minInt: raiseInvalid("major, minor, and patch values are not integers") i.push(newVal("$#.$#.$#" % [$major, $minor, $patch])) def.symbol("=~") do (i: In): i.push("regex".newSym) def.symbol("%") do (i: In): i.push("interpolate".newSym) def.symbol("=%") do (i: In): i.push("apply-interpolate".newSym) def.finalize("str") |