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Move OPF file path detection into own function.

This commit is contained in:
tastytea 2021-08-20 15:35:10 +02:00
parent d2aff45018
commit fca719634a
Signed by: tastytea
GPG Key ID: CFC39497F1B26E07
2 changed files with 23 additions and 20 deletions
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40
src/book.cpp
View File

@ -189,28 +189,28 @@ string page(const document &doc, const size_t pos)
return string(last);
}
fs::path get_opf_file_path(const fs::path &zipfile)
{
pugi::xml_document xml;
const std::string container{
zip::read_file(zipfile, "META-INF/container.xml")};
const auto result{xml.load_buffer(&container[0], container.size())};
if (result)
{
return fs::path{xml.child("container")
.child("rootfiles")
.first_child()
.attribute("full-path")
.value()};
}
LOG(log::sev::error) << result.description() << '\n';
return fs::path{};
};
std::vector<string> list_spine(const fs::path &filepath)
{
const auto opf_file_path{
[&filepath]
{
pugi::xml_document xml;
const std::string container{
zip::read_file(filepath, "META-INF/container.xml")};
const auto result{xml.load_buffer(&container[0], container.size())};
if (result)
{
return fs::path{xml.child("container")
.child("rootfiles")
.first_child()
.attribute("full-path")
.value()};
}
LOG(log::sev::error) << result.description() << '\n';
return fs::path{};
}()};
auto opf_file_path{get_opf_file_path(filepath)};
std::vector<std::string> spine_filepaths;
if (!opf_file_path.empty())
{

3
src/book.hpp
View File

@ -62,6 +62,9 @@ struct book
//! Return current page if possible.
[[nodiscard]] std::string page(const document &doc, size_t pos);
//! Returns the file path of the OPF file in the EPUB.
[[nodiscard]] fs::path get_opf_file_path(const fs::path &zipfile);
//! Returns the files in the EPUB “spine” (all pages that are actually text).
[[nodiscard]] std::vector<string> list_spine(const fs::path &filepath);