s/SpecFileParser/SpecParser/, non-catch'ed exceptions, parsing data and files

debug.cr

@@ -1,5 +1,5 @@
 require "option_parser"
-require "./src/specfileparser"
+require "./src/specparser"
 
 recipe_file_name = "some-non-existant-file"
 
@@ -18,39 +18,53 @@ end
 options = Hash(String,String).new
 options["someoptionexample"] = "option"
 
-specs = SpecFileParser.parse recipe_file_name, options
-pp! specs
-
+begin
+	specs = SpecParser.parse_file recipe_file_name, options
+	pp! specs
+rescue e
+	puts "(OK) #{e}"
+end
 
+data = "
+name: the-name
+version: the-version
+dirname: %{name}-%{version}
+"
 
+begin
+	specs = SpecParser.parse data, options
+	pp! specs
+rescue e
+	puts "(NOT OK) #{e}"
+end
 
 
 # low level stuff
 
-sectioncontainer = SpecFileParser::Section.new "val"
+sectioncontainer = SpecParser::Section.new "val"
 begin
 	puts sectioncontainer.as_s
-	puts "(NOT OK) SpecFileParser::Section should not accept .as_s"
+	puts "(NOT OK) SpecParser::Section should not accept .as_s"
 rescue e
 	puts "(OK) #{e}"
 end
 begin
 	pp! sectioncontainer.as_a_or_s
-	puts "(NOT OK) SpecFileParser::Section should not accept .as_a_or_s"
+	puts "(NOT OK) SpecParser::Section should not accept .as_a_or_s"
 rescue e
 	puts "(OK) #{e}"
 end
 
-arraycontainer = SpecFileParser::ArrayContainer.new Array(String).new.push "value"
+arraycontainer = SpecParser::ArrayContainer.new Array(String).new.push "value"
 begin
 	puts arraycontainer.as_s
-	puts "(NOT OK) SpecFileParser::ArrayContainer should not accept .as_s"
+	puts "(NOT OK) SpecParser::ArrayContainer should not accept .as_s"
 rescue e
 	puts "(OK) #{e}"
 end
 begin
 	pp! arraycontainer.as_a_or_s
-	puts "(OK) SpecFileParser::ArrayContainer should accept .as_a_or_s"
+	puts "(OK) SpecParser::ArrayContainer should accept .as_a_or_s"
 rescue e
 	puts "(NOT OK) #{e}"
 end

shard.yml

@@ -1,5 +1,5 @@
-name: specfileparser
-version: 0.4.5
+name: specparser
+version: 0.5.0
 
 authors:
      - Philippe Pittoli <karchnu@karchnu.fr>

src/specparser.cr

@@ -1,5 +1,8 @@
 
-class SpecFileParser
+class SpecParser
+
+	class Exception < ::Exception
+	end
 
 	macro incompatible_methods(*names)
 		{% for name in names %}
@@ -40,7 +43,7 @@ class SpecFileParser
 	end
 
 	class LongStringContainer
-		SpecFileParser.incompatible_methods as_s, as_a_or_s
+		SpecParser.incompatible_methods as_s, as_a_or_s
 		property value : String
 
 		def as_s_or_ls : String
@@ -52,7 +55,7 @@ class SpecFileParser
 	end
 
 	class ArrayContainer
-		SpecFileParser.incompatible_methods as_s, as_s_or_ls
+		SpecParser.incompatible_methods as_s, as_s_or_ls
 		property value : Array(String)
 
 		def as_a_or_s : Array(String)
@@ -64,7 +67,7 @@ class SpecFileParser
 	end
 
 	class Section
-		SpecFileParser.incompatible_methods as_s, as_a_or_s, as_s_or_ls
+		SpecParser.incompatible_methods as_s, as_a_or_s, as_s_or_ls
 		property name : String
 		property options : Array(String)
 		property content : Hash(String, StringContainer | ArrayContainer | LongStringContainer)
@@ -365,30 +368,31 @@ class SpecFileParser
 	end
 
 
-	# The only function to use from outside.
+	#
+	# public functions
+	#
 
-	def self.parse(file_name : String, options : Hash(String, String) | Nil = nil) : SpecFileParser | Nil
-		begin
-			content = File.read(file_name)
-			content = content.rchop
+	def self.parse_file(file_name : String, options : Hash(String, String) | Nil = nil) : SpecParser
+		content = File.read(file_name)
+		content = content.rchop
 
-			specs = SpecFileParser.new
-			unless options.nil?
-				options.each do |opt, val|
-					specs.assignments[opt] = StringContainer.new val
-				end
-			end
-
-			specs.parse_lines (content.split("\n"))
-
-			specs.rewrite
-
-			specs
-		rescue e
-			puts "Exception: #{e}"
-
-			nil
-		end
+		specs = parse content, options
 	end
 
+	def self.parse(data : String, options : Hash(String, String) | Nil = nil) : SpecParser
+		specs = SpecParser.new
+		unless options.nil?
+			options.each do |opt, val|
+				specs.assignments[opt] = StringContainer.new val
+			end
+		end
+
+		specs.parse_lines (data.split("\n"))
+
+		specs.rewrite
+
+		specs
+	rescue e
+		raise Exception.new "unexpected parser error: #{e}"
+	end
 end