87 lines
3.3 KiB
C++
87 lines
3.3 KiB
C++
// File: crn_command_line_params.h
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// See Copyright Notice and license at the end of inc/crnlib.h
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#pragma once
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#include "crn_value.h"
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#include <map>
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namespace crnlib
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{
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// Returns the command line passed to the app as a string.
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// On systems where this isn't trivial, this function combines together the separate arguments, quoting and adding spaces as needed.
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void get_command_line_as_single_string(dynamic_string& cmd_line, int argc, char *argv[]);
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class command_line_params
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{
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public:
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struct param_value
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{
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inline param_value() : m_index(0), m_modifier(0) { }
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dynamic_string_array m_values;
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uint m_index;
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int8 m_modifier;
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};
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typedef std::multimap<dynamic_string, param_value> param_map;
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typedef param_map::const_iterator param_map_const_iterator;
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typedef param_map::iterator param_map_iterator;
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command_line_params();
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void clear();
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static bool split_params(const char* p, dynamic_string_array& params);
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struct param_desc
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{
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const char* m_pName;
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uint m_num_values;
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bool m_support_listing_file;
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};
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bool parse(const dynamic_string_array& params, uint n, const param_desc* pParam_desc);
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bool parse(const char* pCmd_line, uint n, const param_desc* pParam_desc, bool skip_first_param = true);
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const dynamic_string_array& get_array() const { return m_params; }
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bool is_param(uint index) const;
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const param_map& get_map() const { return m_param_map; }
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uint get_num_params() const { return static_cast<uint>(m_param_map.size()); }
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param_map_const_iterator begin() const { return m_param_map.begin(); }
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param_map_const_iterator end() const { return m_param_map.end(); }
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uint find(uint num_keys, const char** ppKeys, crnlib::vector<param_map_const_iterator>* pIterators, crnlib::vector<uint>* pUnmatched_indices) const;
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void find(const char* pKey, param_map_const_iterator& begin, param_map_const_iterator& end) const;
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uint get_count(const char* pKey) const;
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// Returns end() if param cannot be found, or index is out of range.
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param_map_const_iterator get_param(const char* pKey, uint index) const;
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bool has_key(const char* pKey) const { return get_param(pKey, 0) != end(); }
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bool has_value(const char* pKey, uint index) const;
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uint get_num_values(const char* pKey, uint index) const;
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bool get_value_as_bool(const char* pKey, uint index = 0, bool def = false) const;
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int get_value_as_int(const char* pKey, uint index, int def, int l = INT_MIN, int h = INT_MAX, uint value_index = 0) const;
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float get_value_as_float(const char* pKey, uint index, float def = 0.0f, float l = -math::cNearlyInfinite, float h = math::cNearlyInfinite, uint value_index = 0) const;
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bool get_value_as_string(const char* pKey, uint index, dynamic_string& value, uint value_index = 0) const;
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const dynamic_string& get_value_as_string_or_empty(const char* pKey, uint index = 0, uint value_index = 0) const;
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private:
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dynamic_string_array m_params;
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param_map m_param_map;
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static bool load_string_file(const char* pFilename, dynamic_string_array& strings);
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};
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} // namespace crnlib
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