mirror of
https://github.com/tfussell/xlnt.git
synced 2024-03-22 13:11:17 +08:00
452 lines
10 KiB
C++
452 lines
10 KiB
C++
#include <algorithm>
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#include <locale>
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#include <sstream>
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#include "cell.h"
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#include "cell_reference.h"
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#include "cell_struct.h"
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#include "relationship.h"
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#include "worksheet.h"
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namespace xlnt {
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struct worksheet_struct;
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const xlnt::color xlnt::color::black(0);
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const xlnt::color xlnt::color::white(1);
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const std::unordered_map<std::string, int> cell::ErrorCodes =
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{
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{"#NULL!", 0},
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{"#DIV/0!", 1},
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{"#VALUE!", 2},
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{"#REF!", 3},
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{"#NAME?", 4},
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{"#NUM!", 5},
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{"#N/A!", 6}
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};
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cell::cell() : root_(nullptr)
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{
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}
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cell::cell(worksheet &worksheet, const std::string &column, row_t row) : root_(nullptr)
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{
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cell self = worksheet.get_cell(column + std::to_string(row));
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root_ = self.root_;
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}
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cell::cell(worksheet &worksheet, const std::string &column, row_t row, const std::string &initial_value) : root_(nullptr)
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{
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cell self = worksheet.get_cell(column + std::to_string(row));
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root_ = self.root_;
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*this = initial_value;
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}
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cell::cell(cell_struct *root) : root_(root)
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{
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}
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std::string cell::get_value() const
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{
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switch(root_->type)
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{
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case type::string:
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return root_->string_value;
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case type::numeric:
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return std::to_string(root_->numeric_value);
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case type::formula:
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return root_->formula_value;
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case type::error:
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return root_->error_value;
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case type::null:
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return "";
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case type::date:
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return "00:00:00";
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case type::boolean:
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return root_->bool_value ? "TRUE" : "FALSE";
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default:
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throw std::runtime_error("bad enum");
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}
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}
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row_t cell::get_row() const
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{
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return root_->row + 1;
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}
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std::string cell::get_column() const
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{
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return cell_reference::column_string_from_index(root_->column + 1);
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}
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std::vector<std::string> split_string(const std::string &string, char delim = ' ')
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{
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std::stringstream ss(string);
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std::string part;
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std::vector<std::string> parts;
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while(std::getline(ss, part, delim))
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{
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parts.push_back(part);
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}
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return parts;
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}
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cell::type cell::data_type_for_value(const std::string &value)
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{
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if(value.empty())
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{
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return type::null;
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}
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if(value[0] == '=')
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{
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return type::formula;
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}
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else if(value[0] == '0')
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{
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if(value.length() > 1)
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{
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if(value[1] == '.' || (value.length() > 2 && (value[1] == 'e' || value[1] == 'E')))
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{
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auto first_non_number = std::find_if(value.begin() + 2, value.end(),
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[](char c) { return !std::isdigit(c, std::locale::classic()); });
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if(first_non_number == value.end())
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{
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return type::numeric;
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}
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}
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auto split = split_string(value, ':');
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if(split.size() == 2 || split.size() == 3)
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{
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for(auto part : split)
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{
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try
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{
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std::stoi(part);
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}
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catch(std::invalid_argument)
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{
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return type::string;
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}
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}
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return type::date;
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}
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else
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{
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return type::string;
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}
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}
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return type::numeric;
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}
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else if(value[0] == '#')
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{
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return type::error;
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}
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else
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{
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char *p;
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strtod(value.c_str(), &p);
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if(*p != 0)
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{
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static const std::vector<std::string> possible_booleans = {"TRUE", "true", "FALSE", "false"};
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if(std::find(possible_booleans.begin(), possible_booleans.end(), value) != possible_booleans.end())
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{
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return type::boolean;
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}
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return type::string;
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}
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else
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{
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return type::numeric;
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}
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}
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}
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void cell::set_explicit_value(const std::string &value, type data_type)
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{
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root_->type = data_type;
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switch(data_type)
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{
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case type::formula: root_->formula_value = value; return;
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case type::date: root_->date_value.tm_hour = std::stoi(value); return;
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case type::error: root_->error_value = value; return;
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case type::boolean: root_->bool_value = value == "true"; return;
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case type::null: return;
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case type::numeric: root_->numeric_value = std::stod(value); return;
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case type::string: root_->string_value = value; return;
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default: throw std::runtime_error("bad enum");
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}
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}
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void cell::set_hyperlink(const std::string &url)
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{
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root_->type = type::hyperlink;
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root_->hyperlink_rel = worksheet(root_->parent_worksheet).create_relationship("hyperlink", url);
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}
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void cell::set_merged(bool merged)
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{
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root_->merged = merged;
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}
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bool cell::is_merged() const
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{
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return root_->merged;
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}
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bool cell::bind_value()
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{
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root_->type = type::null;
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return true;
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}
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bool cell::bind_value(int value)
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{
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root_->type = type::numeric;
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root_->numeric_value = value;
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return true;
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}
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bool cell::bind_value(double value)
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{
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root_->type = type::numeric;
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root_->numeric_value = value;
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return true;
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}
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bool cell::bind_value(const std::string &value)
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{
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//Given a value, infer type and display options.
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root_->type = data_type_for_value(value);
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return true;
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}
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bool cell::bind_value(const char *value)
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{
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return bind_value(std::string(value));
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}
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bool cell::bind_value(bool value)
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{
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root_->type = type::boolean;
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root_->bool_value = value;
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return true;
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}
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bool cell::bind_value(const tm &value)
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{
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root_->type = type::date;
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root_->date_value = value;
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return true;
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}
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bool cell::is_date() const
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{
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return root_->type == type::date;
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}
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cell_reference cell::get_reference() const
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{
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return {root_->column, root_->row};
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}
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std::string cell::get_hyperlink_rel_id() const
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{
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return root_->hyperlink_rel.get_id();
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}
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bool cell::operator==(std::nullptr_t) const
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{
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return root_ == nullptr;
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}
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bool cell::operator==(int comparand) const
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{
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return root_->type == type::numeric && root_->numeric_value == comparand;
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}
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bool cell::operator==(double comparand) const
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{
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return root_->type == type::numeric && root_->numeric_value == comparand;
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}
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bool cell::operator==(const std::string &comparand) const
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{
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if(root_->type == type::hyperlink)
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{
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return root_->hyperlink_rel.get_target_uri() == comparand;
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}
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if(root_->type == type::string)
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{
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return root_->string_value == comparand;
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}
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return false;
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}
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bool cell::operator==(const char *comparand) const
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{
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return *this == std::string(comparand);
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}
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bool cell::operator==(const tm &comparand) const
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{
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return root_->type == cell::type::date && root_->date_value.tm_hour == comparand.tm_hour;
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}
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bool operator==(int comparand, const xlnt::cell &cell)
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{
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return cell == comparand;
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}
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bool operator==(const char *comparand, const xlnt::cell &cell)
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{
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return cell == comparand;
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}
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bool operator==(const std::string &comparand, const xlnt::cell &cell)
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{
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return cell == comparand;
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}
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bool operator==(const tm &comparand, const xlnt::cell &cell)
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{
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return cell == comparand;
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}
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style &cell::get_style()
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{
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if(root_->style == nullptr)
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{
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root_->style = new style();
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}
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return *root_->style;
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}
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const style &cell::get_style() const
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{
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if(root_->style == nullptr)
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{
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root_->style = new style();
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}
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return *root_->style;
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}
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xlnt::cell::type cell::get_data_type() const
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{
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return root_->type;
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}
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xlnt::cell cell::get_offset(int row_offset, int column_offset)
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{
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worksheet parent_wrapper(root_->parent_worksheet);
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cell_reference ref(root_->column + column_offset, root_->row + row_offset);
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return parent_wrapper[ref];
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}
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cell &cell::operator=(const cell &rhs)
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{
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root_ = rhs.root_;
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return *this;
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}
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cell &cell::operator=(int value)
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{
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root_->type = type::numeric;
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root_->numeric_value = value;
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return *this;
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}
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cell &cell::operator=(double value)
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{
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root_->type = type::numeric;
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root_->numeric_value = value;
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return *this;
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}
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cell &cell::operator=(bool value)
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{
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root_->type = type::boolean;
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root_->bool_value = value;
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return *this;
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}
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cell &cell::operator=(const std::string &value)
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{
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root_->type = data_type_for_value(value);
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switch(root_->type)
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{
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case type::date:
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{
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root_->date_value = std::tm();
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auto split = split_string(value, ':');
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root_->date_value.tm_hour = std::stoi(split[0]);
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root_->date_value.tm_min = std::stoi(split[1]);
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if(split.size() > 2)
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{
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root_->date_value.tm_sec = std::stoi(split[2]);
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}
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break;
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}
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case type::formula:
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root_->formula_value = value;
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break;
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case type::numeric:
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root_->numeric_value = std::stod(value);
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break;
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case type::boolean:
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root_->bool_value = value == "TRUE" || value == "true";
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break;
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case type::error:
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root_->error_value = value;
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break;
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case type::string:
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root_->string_value = value;
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break;
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case type::null:
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break;
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default:
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throw std::runtime_error("bad enum");
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}
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return *this;
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}
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cell &cell::operator=(const char *value)
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{
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return *this = std::string(value);
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}
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cell &cell::operator=(const tm &value)
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{
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root_->type = type::date;
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root_->date_value = value;
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return *this;
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}
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std::string cell::to_string() const
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{
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return root_->to_string();
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}
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std::string cell_struct::to_string() const
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{
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return "<Cell " + worksheet(parent_worksheet).get_title() + "." + cell_reference(column, row).to_string() + ">";
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}
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cell cell::allocate(xlnt::worksheet owner, column_t column_index, row_t row_index)
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{
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return new cell_struct(owner.root_, column_index, row_index);
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}
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void cell::deallocate(xlnt::cell cell)
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{
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delete cell.root_;
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}
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} // namespace xlnt
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