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| author | Robert Schumacher <roschuma@microsoft.com> | 2017-10-13 18:37:41 -0700 |
|---|---|---|
| committer | Robert Schumacher <roschuma@microsoft.com> | 2017-10-13 18:37:41 -0700 |
| commit | e17de99599a2f114faab1bb4821fbaad4d266c95 (patch) | |
| tree | 397fec8a85af3ef002c125ce013eceb60d27116d /toolsrc/src/Paragraphs.cpp | |
| parent | 1fb5313a881fe0fcfd90dff5255045c8367ee00b (diff) | |
| download | vcpkg-e17de99599a2f114faab1bb4821fbaad4d266c95.tar.gz vcpkg-e17de99599a2f114faab1bb4821fbaad4d266c95.zip | |
[vcpkg] Re-layout all files using new organization scheme.
All filenames and directories are lowercase. Use dots for namespace separation.
Diffstat (limited to 'toolsrc/src/Paragraphs.cpp')
| -rw-r--r-- | toolsrc/src/Paragraphs.cpp | 304 |
1 files changed, 0 insertions, 304 deletions
diff --git a/toolsrc/src/Paragraphs.cpp b/toolsrc/src/Paragraphs.cpp deleted file mode 100644 index 6a6f191df..000000000 --- a/toolsrc/src/Paragraphs.cpp +++ /dev/null @@ -1,304 +0,0 @@ -#include "pch.h" - -#include "ParagraphParseResult.h" -#include "Paragraphs.h" -#include "vcpkg_Files.h" -#include "vcpkg_GlobalState.h" -#include "vcpkg_Util.h" - -using namespace vcpkg::Parse; - -namespace vcpkg::Paragraphs -{ - struct Parser - { - Parser(const char* c, const char* e) : cur(c), end(e) {} - - private: - const char* cur; - const char* const end; - - void peek(char& ch) const - { - if (cur == end) - ch = 0; - else - ch = *cur; - } - - void next(char& ch) - { - if (cur == end) - ch = 0; - else - { - ++cur; - peek(ch); - } - } - - void skip_comment(char& ch) - { - while (ch != '\r' && ch != '\n' && ch != '\0') - next(ch); - if (ch == '\r') next(ch); - if (ch == '\n') next(ch); - } - - void skip_spaces(char& ch) - { - while (ch == ' ' || ch == '\t') - next(ch); - } - - static bool is_alphanum(char ch) - { - return (ch >= 'A' && ch <= 'Z') || (ch >= 'a' && ch <= 'z') || (ch >= '0' && ch <= '9'); - } - - static bool is_comment(char ch) { return (ch == '#'); } - - static bool is_lineend(char ch) { return ch == '\r' || ch == '\n' || ch == 0; } - - void get_fieldvalue(char& ch, std::string& fieldvalue) - { - fieldvalue.clear(); - - auto beginning_of_line = cur; - do - { - // scan to end of current line (it is part of the field value) - while (!is_lineend(ch)) - next(ch); - - fieldvalue.append(beginning_of_line, cur); - - if (ch == '\r') next(ch); - if (ch == '\n') next(ch); - - if (is_alphanum(ch) || is_comment(ch)) - { - // Line begins a new field. - return; - } - - beginning_of_line = cur; - - // Line may continue the current field with data or terminate the paragraph, - // depending on first nonspace character. - skip_spaces(ch); - - if (is_lineend(ch)) - { - // Line was whitespace or empty. - // This terminates the field and the paragraph. - // We leave the blank line's whitespace consumed, because it doesn't matter. - return; - } - - // First nonspace is not a newline. This continues the current field value. - // We forcibly convert all newlines into single '\n' for ease of text handling later on. - fieldvalue.push_back('\n'); - } while (true); - } - - void get_fieldname(char& ch, std::string& fieldname) - { - auto begin_fieldname = cur; - while (is_alphanum(ch) || ch == '-') - next(ch); - Checks::check_exit(VCPKG_LINE_INFO, ch == ':', "Expected ':'"); - fieldname = std::string(begin_fieldname, cur); - - // skip ': ' - next(ch); - skip_spaces(ch); - } - - void get_paragraph(char& ch, std::unordered_map<std::string, std::string>& fields) - { - fields.clear(); - std::string fieldname; - std::string fieldvalue; - do - { - if (is_comment(ch)) - { - skip_comment(ch); - continue; - } - - get_fieldname(ch, fieldname); - - auto it = fields.find(fieldname); - Checks::check_exit(VCPKG_LINE_INFO, it == fields.end(), "Duplicate field"); - - get_fieldvalue(ch, fieldvalue); - - fields.emplace(fieldname, fieldvalue); - } while (!is_lineend(ch)); - } - - public: - std::vector<std::unordered_map<std::string, std::string>> get_paragraphs() - { - std::vector<std::unordered_map<std::string, std::string>> paragraphs; - - char ch; - peek(ch); - - while (ch != 0) - { - if (ch == '\n' || ch == '\r' || ch == ' ' || ch == '\t') - { - next(ch); - continue; - } - - paragraphs.emplace_back(); - get_paragraph(ch, paragraphs.back()); - } - - return paragraphs; - } - }; - - Expected<std::unordered_map<std::string, std::string>> get_single_paragraph(const Files::Filesystem& fs, - const fs::path& control_path) - { - const Expected<std::string> contents = fs.read_contents(control_path); - if (auto spgh = contents.get()) - { - return parse_single_paragraph(*spgh); - } - - return contents.error(); - } - - Expected<std::vector<std::unordered_map<std::string, std::string>>> get_paragraphs(const Files::Filesystem& fs, - const fs::path& control_path) - { - const Expected<std::string> contents = fs.read_contents(control_path); - if (auto spgh = contents.get()) - { - return parse_paragraphs(*spgh); - } - - return contents.error(); - } - - Expected<std::unordered_map<std::string, std::string>> parse_single_paragraph(const std::string& str) - { - const std::vector<std::unordered_map<std::string, std::string>> p = - Parser(str.c_str(), str.c_str() + str.size()).get_paragraphs(); - - if (p.size() == 1) - { - return p.at(0); - } - - return std::error_code(ParagraphParseResult::EXPECTED_ONE_PARAGRAPH); - } - - Expected<std::vector<std::unordered_map<std::string, std::string>>> parse_paragraphs(const std::string& str) - { - return Parser(str.c_str(), str.c_str() + str.size()).get_paragraphs(); - } - - ParseExpected<SourceControlFile> try_load_port(const Files::Filesystem& fs, const fs::path& path) - { - Expected<std::vector<std::unordered_map<std::string, std::string>>> pghs = get_paragraphs(fs, path / "CONTROL"); - if (auto vector_pghs = pghs.get()) - { - auto csf = SourceControlFile::parse_control_file(std::move(*vector_pghs)); - if (!GlobalState::feature_packages) - { - if (auto ptr = csf.get()) - { - Checks::check_exit(VCPKG_LINE_INFO, ptr->get() != nullptr); - ptr->get()->core_paragraph->default_features.clear(); - ptr->get()->feature_paragraphs.clear(); - } - } - return csf; - } - auto error_info = std::make_unique<ParseControlErrorInfo>(); - error_info->name = path.filename().generic_u8string(); - error_info->error = pghs.error(); - return error_info; - } - - Expected<BinaryControlFile> try_load_cached_control_package(const VcpkgPaths& paths, const PackageSpec& spec) - { - Expected<std::vector<std::unordered_map<std::string, std::string>>> pghs = - get_paragraphs(paths.get_filesystem(), paths.package_dir(spec) / "CONTROL"); - - if (auto p = pghs.get()) - { - BinaryControlFile bcf; - bcf.core_paragraph = BinaryParagraph(p->front()); - p->erase(p->begin()); - - bcf.features = - Util::fmap(*p, [&](auto&& raw_feature) -> BinaryParagraph { return BinaryParagraph(raw_feature); }); - - return bcf; - } - - return pghs.error(); - } - - LoadResults try_load_all_ports(const Files::Filesystem& fs, const fs::path& ports_dir) - { - LoadResults ret; - for (auto&& path : fs.get_files_non_recursive(ports_dir)) - { - auto maybe_spgh = try_load_port(fs, path); - if (const auto spgh = maybe_spgh.get()) - { - ret.paragraphs.emplace_back(std::move(*spgh)); - } - else - { - ret.errors.emplace_back(std::move(maybe_spgh).error()); - } - } - return ret; - } - - std::vector<std::unique_ptr<SourceControlFile>> load_all_ports(const Files::Filesystem& fs, - const fs::path& ports_dir) - { - auto results = try_load_all_ports(fs, ports_dir); - if (!results.errors.empty()) - { - if (GlobalState::debugging) - { - print_error_message(results.errors); - } - else - { - for (auto&& error : results.errors) - { - System::println( - System::Color::warning, "Warning: an error occurred while parsing '%s'", error->name); - } - System::println(System::Color::warning, - "Use '--debug' to get more information about the parse failures.\n"); - } - } - return std::move(results.paragraphs); - } - - std::map<std::string, VersionT> load_all_port_names_and_versions(const Files::Filesystem& fs, - const fs::path& ports_dir) - { - auto all_ports = load_all_ports(fs, ports_dir); - - std::map<std::string, VersionT> names_and_versions; - for (auto&& port : all_ports) - names_and_versions.emplace(port->core_paragraph->name, port->core_paragraph->version); - - return names_and_versions; - } -} |
