Implement proper CLI argument handling using `boost::program_options`

Became necessary due to the introduction of custom line offset as an additional user-defined parameter.

2 files changed, 11 insertions, 2 deletions

diff --git a/src/line_accumulator.cc b/src/line_accumulator.cc
index d12ef54..31b8ddc 100644
--- a/src/line_accumulator.cc
+++ b/src/line_accumulator.cc
@@ -54,8 +54,12 @@ std::size_t getCharacterLength(const std::string& token) {
 
 namespace justify {
 
-LineAccumulator::LineAccumulator(const std::uint8_t max_length):
+LineAccumulator::LineAccumulator(
+	const std::uint8_t max_length,
+	const std::uint8_t offset
+):
 	max_length_{max_length},
+	offset_{offset},
 	length_{0},
 	tokens_{} { }
 
@@ -160,6 +164,10 @@ void LineAccumulator::discharge(const bool full) {
 		this->justify();
 	}
 
+	if ( this->offset_ > 0 ) {
+		std::cout << std::string(this->offset_, ' ');
+	}
+
 	for ( const auto& token : this->tokens_ ) {
 		std::cout << token.first
 		          << std::string(token.second, ' ');
diff --git a/src/line_accumulator.h b/src/line_accumulator.h
index 2ca271c..69b4c74 100644
--- a/src/line_accumulator.h
+++ b/src/line_accumulator.h
@@ -9,7 +9,7 @@ namespace justify {
 
 class LineAccumulator {
 	public:
-		LineAccumulator(const std::uint8_t max_length);
+		LineAccumulator(const std::uint8_t max_length, const std::uint8_t offset);
 		~LineAccumulator();
 
 		std::uint8_t getMissing() const;
@@ -18,6 +18,7 @@ class LineAccumulator {
 
 	private:
 		const std::uint8_t max_length_;
+		const std::uint8_t offset_;
 
 		std::uint8_t length_;