TextTemplate Class Reference

#include "lib/text-template.hpp"

Description

Text template substitution engine.

Can substitute ${placeholders} by name and can handle conditional and iterated sections. Structural data for the substitution is accessed and navigated through a generic Data Source binding. By default, a binding for Map-of-strings is provided.

See also

TextTemplate_test

Definition at line 339 of file text-template.hpp.

Public Member Functions
	TextTemplate (string spec)
auto	keys () const
	diagnostics: query a list of all active keys expected by the template. More...
template<class DAT >
string	render (DAT const &data) const
	submit data and materialise rendered results into a single string
template<class DAT >
auto	submit (DAT const &data) const
	Instantiate this (pre-compiled) TextTemplate using the given data binding. More...

Static Public Member Functions
template<class DAT >
static string	apply (string spec, DAT const &data)
	one-shot shorthand: compile a template and apply it to the given data
static ActionSeq	compile (string const &)

Classes
struct	Action
class	ActionCompiler
class	InstanceCore
	Iterator »State Core« to process the template instantiation. More...
struct	ParseCtx

Friends
class	test::TextTemplate_test

Private Types
using	ActionSeq = std::vector< Action >
	the text template is compiled into a sequence of Actions
enum	Clause {   IF,   FOR }
enum	Code {   TEXT,   KEY,   COND,   JUMP,   ITER,   LOOP }
using	Idx = size_t
	cross-references by index number
using	ScopeStack = std::stack< ParseCtx, std::vector< ParseCtx > >

Private Attributes
ActionSeq	actions_

Additional Inherited Members
Private Member Functions inherited from MoveOnly
	MoveOnly (MoveOnly &&)=default
	MoveOnly (MoveOnly const &)=delete
MoveOnly &	operator= (MoveOnly &&)=delete
MoveOnly &	operator= (MoveOnly const &)=delete

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Class Documentation

TextTemplate::ParseCtx

struct TextTemplate::ParseCtx

Class Members
Clause	clause
Idx	begin
Idx	after

Collaboration diagram for TextTemplate::ParseCtx:

Member Function Documentation

submit()

auto submit ( DAT const &  data ) const

inline

Instantiate this (pre-compiled) TextTemplate using the given data binding.

Returns

iterator to perform the evaluation and substitution step-by step, thereby producing a sequence of std::string_view&

Definition at line 963 of file text-template.hpp.

References lib::explore().

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keys()

auto keys ( ) const

inline

diagnostics: query a list of all active keys expected by the template.

Definition at line 986 of file text-template.hpp.

References lib::explore().

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compile()

TextTemplate::ActionSeq compile ( string const &  spec )

inlinestatic

exposed for testing

Definition at line 615 of file text-template.hpp.

Inheritance diagram for TextTemplate:

Collaboration diagram for TextTemplate:

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The documentation for this class was generated from the following file:

• text-template.hpp