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112 lines
3.0 KiB
C++
112 lines
3.0 KiB
C++
// Copyright 2022 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef CONTRIB_LIBXLS_UTILS_UTILS_LIBXLS_H_
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#define CONTRIB_LIBXLS_UTILS_UTILS_LIBXLS_H_
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#include <fcntl.h>
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#include "absl/log/die_if_null.h"
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#include "contrib/libxls/sandboxed.h"
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#define XLS_RECORD_FORMULA 0x0006
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#define XLS_RECORD_MULRK 0x00BD
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#define XLS_RECORD_BLANK 0x0201
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#define XLS_RECORD_NUMBER 0x0203
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#define XLS_RECORD_STRING 0x0207
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#define XLS_RECORD_RK 0x027E
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#define XLS_RECORD_BOOL 0x9998
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#define XLS_RECORD_ERROR 0x9999
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struct LibXlsCell {
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int type;
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std::variant<double, bool, std::string> value;
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};
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class LibXlsSheet {
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public:
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size_t GetRowCount() const;
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size_t GetColCount() const;
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absl::StatusOr<LibXlsCell> GetCell(uint32_t row, uint32_t col);
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~LibXlsSheet();
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LibXlsSheet(LibXlsSheet&& other) { *this = std::move(other); }
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LibXlsSheet& operator=(LibXlsSheet&& other) {
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using std::swap;
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if (this != &other) {
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swap(sandbox_, other.sandbox_);
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swap(rws_, other.rws_);
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swap(row_, other.row_);
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swap(col_, other.col_);
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}
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return *this;
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}
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private:
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friend class LibXlsWorkbook;
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LibXlsSheet(LibxlsSapiSandbox* sandbox, xlsWorkSheet* rws, size_t row,
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size_t col)
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: sandbox_(ABSL_DIE_IF_NULL(sandbox)), rws_(rws), row_(row), col_(col) {}
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absl::StatusOr<std::string> GetStr(const sapi::v::Struct<xlsCell>& sapi_cell);
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absl::StatusOr<LibXlsCell> GetNewCell(
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const sapi::v::Struct<xlsCell>& sapi_cell);
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LibxlsSapiSandbox* sandbox_;
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xlsWorkSheet* rws_ = nullptr;
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size_t row_;
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size_t col_;
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};
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class LibXlsWorkbook {
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public:
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static absl::StatusOr<LibXlsWorkbook> Open(
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LibxlsSapiSandbox* sandbox, const std::string& filename,
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const std::string& encode = "UTF-8");
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size_t GetSheetCount();
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absl::StatusOr<LibXlsSheet> OpenSheet(uint32_t index);
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~LibXlsWorkbook();
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LibXlsWorkbook(LibXlsWorkbook&& other) { *this = std::move(other); }
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LibXlsWorkbook& operator=(LibXlsWorkbook&& other) {
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using std::swap;
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if (this != &other) {
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swap(sandbox_, other.sandbox_);
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swap(rwb_, other.rwb_);
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swap(sheet_count_, other.sheet_count_);
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}
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return *this;
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}
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private:
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LibXlsWorkbook(LibxlsSapiSandbox* sandbox, xlsWorkBook* rwb, size_t count)
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: sandbox_(ABSL_DIE_IF_NULL(sandbox)),
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rwb_(ABSL_DIE_IF_NULL(rwb)),
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sheet_count_(count) {}
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LibxlsSapiSandbox* sandbox_;
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xlsWorkBook* rwb_ = nullptr;
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size_t sheet_count_;
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};
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#endif // CONTRIB_LIBXLS_UTILS_UTILS_LIBXLS_H_
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