Andy Kopra
ef77f03584
The @@@klammerset system command formally declares a klammerset — a named, logically related group of klammer definitions — with an operative, idempotent declaration (:requires and :files load in order at the declaration point, relative to the declaring file). A bare symbol given to ktext -k, kdesc --input, or :requires resolves to x/x.k on the search path: the document's directory, then KLAMMERTEXT_KLAMMERSETS, then KLAMMERTEXT_HOME; kdesc --klammerset lists the available sets. sks/sks.k is the first declared klammerset, so `-k sks` loads the SKS by name. The engine's lookup classes were renamed *_set → *_registry to keep the two concepts apart, and the whole C++ tree now follows standard const-correctness conventions. tst/ gains klammerset_test.sh (18 cases). (from dev 64b1abf23e56)
85 lines
3.5 KiB
C++
85 lines
3.5 KiB
C++
#pragma once
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#include <string>
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#include <variant>
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#include <functional>
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#include <regex>
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#include "locator.h"
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using argtype_t = std::variant<bool,double,std::string,std::vector<std::string>>;
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using modify_string_f = std::function<std::string(std::vector<std::string>)>;
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class Argtype
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{
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public:
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Argtype()
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: m_name("default")
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, m_desc("default argument type")
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, m_symbolic_pattern(R"((?:.|\n)*)")
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, m_pattern(R"((?:.|\n)*)")
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, m_python_cast("str")
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, m_python_format()
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, m_regex(std::regex(R"((?:.|\n)*)"))
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, m_loc()
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{};
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Argtype(const std::string& name, const std::string& desc, const std::string& symbolic_pattern,
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const std::string& pattern,
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const std::string& default_value, const std::string& alone_value,
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const std::string& python_cast, const modify_string_f& python_format,
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const Locator& loc);
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std::string python_value(const std::string& var_name, std::vector<std::string> value, size_t name_size);
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// True for the match-everything pattern shared by the string family
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// (string, rest, literal, and the default type). Validating against
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// it is pointless, and running std::regex over a large value (e.g.
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// @document's :text holding a whole document) overflows the regex
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// executor's recursion stack.
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bool matches_all() const { return m_pattern == R"((?:.|\n)*)"; };
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std::string m_name {};
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std::string m_desc {};
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std::string m_symbolic_pattern {};
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std::string m_pattern {};
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// Default value for parameters of this type; a default given in a
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// klammer's parameter declaration overrides it (see
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// parse_optional_parameter). Useful for single-purpose types
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// (cell_hpos, column_width); general types (bool, float) have no
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// sensible universal default and leave it empty.
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std::string m_default {};
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// Value for an optional argument whose name is written alone, with no
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// value after it (:number rather than :number 10). Declared by the
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// argument type, never by a klammer's parameter declaration: the
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// default is what a klammer means by silence and is properly
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// per-klammer, but a bare option name must read the same way in every
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// klammer or the writer cannot know what it means without consulting
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// each signature. bool declares "true", which is where the
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// presence-means-true convention comes from; a type whose pattern
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// matches everything cannot declare it (the value would swallow the
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// following text instead). Empty means the type has no alone value,
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// and a bare option name yields the empty string as before.
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std::string m_alone {};
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// Type parameter for parameterized types like rest(2): the value N
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// is bound around the python cast as (lambda N: <cast>)(2)(...).
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// Empty means unparameterized; a type with a default parameter
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// (rest -> "1") is specialized by writing type(N) in a declaration.
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std::string m_parameter {};
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std::string m_python_cast {};
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modify_string_f m_python_format {};
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std::regex m_regex {};
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int m_count {1};
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int m_mincount {1};
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int m_maxcount {1};
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Locator m_loc;
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};
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std::string pyformat_string(const std::vector<std::string>& value);
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std::string pyformat_bool(const std::vector<std::string>& value);
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std::string pyformat_number(const std::vector<std::string>& value);
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std::string pyformat_list(const std::vector<std::string>& value);
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std::string pyformat_dlist(const std::vector<std::string>& value);
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