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@@ -56,42 +56,58 @@ proc loadtemplate*(name: string, json: JsonNode = %*{}): Future[string] {.async,
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## Arguments:
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## - ``name`` - template's name, e.g. "index", "api", etc.
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## - ``json`` - Json data, which replaces in the template.
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+ ##
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+ ## Replaces:
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+ ## - $(key) -> value
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+ ## - if $(key) { ... } -> ... (if value is true)
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var
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file = openAsync(("templates" / name) & ".html")
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readed = await file.readAll()
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file.close()
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for key, value in json.pairs:
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+ # ---- regex patterns ---- #
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let
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- # if statment, e.g.: if $(variable) {......}
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- if_stmt = re("if\\s*(\\$\\(" & key & "\\))\\s*\\{\\s*([\\s\\S]+?)\\s*\\}")
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# variable statment, e.g.: $(variable)
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variable_stmt = re("(\\$\\s*\\(" & key & "\\))")
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+ # if statment, e.g.: if $(variable) {......}
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+ if_stmt = re("if\\s*(\\$\\s*\\(" & key & "\\))\\s*\\{\\s*([\\s\\S]+?)\\s*\\}")
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+ # if not statment, e.g.: if not $(variable) {......}
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+ if_notstmt = re("if\\s*not\\s*(\\$\\s*\\(" & key & "\\))\\s*\\{\\s*([\\s\\S]+?)\\s*\\}")
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+
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+ # ---- converts value to bool ---- #
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+ var value_bool = false
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+ case value.kind:
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+ of JBool:
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+ if value.getBool:
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+ value_bool = true
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+ of JInt:
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+ if value.getInt != 0:
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+ value_bool = true
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+ of JFloat:
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+ if value.getFloat != 0.0:
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+ value_bool = true
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+ of JString:
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+ if value.getStr.len > 0:
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+ value_bool = true
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+ of JArray:
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+ if value.len > 0:
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+ value_bool = true
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+ of JObject:
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+ if value.getFields.len > 0:
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+ value_bool = true
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+ else: discard
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+
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+ # ---- replace ----- #
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if readed.contains(if_stmt):
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- var canplace: bool = false
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- case value.kind:
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- of JBool:
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- if value.getBool:
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- canplace = true
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- of JInt:
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- if value.getInt != 0:
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- canplace = true
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- of JFloat:
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- if value.getFloat != 0.0:
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- canplace = true
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- of JString:
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- if value.getStr.len > 0:
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- canplace = true
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- of JArray:
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- if value.len > 0:
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- canplace = true
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- of JObject:
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- if value.getFields.len > 0:
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- canplace = true
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- else: discard
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- if canplace:
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+ if value_bool:
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readed = readed.replacef(if_stmt, "$2")
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else:
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readed = readed.replacef(if_stmt, "")
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+ if readed.contains(if_notstmt):
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+ if value_bool:
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+ readed = readed.replacef(if_notstmt, "")
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+ else:
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+ readed = readed.replacef(if_notstmt, "$2")
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readed = readed.replacef(variable_stmt, $value)
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return readed
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