ParserHelpers.h

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#pragma once
 
#include "core/application/import/internal/ParserConfig.h"
#include "core/application/import/transaction/TransactionParserTypes.h"
#include "core/application/import/transaction/AmountParser.h"
#include "core/application/import/internal/ParserDateUtils.h"
#include "core/application/import/internal/ParserHeuristics.h"
 
#include "core/ports/infra/text-recognition/TextRecognitionResult.h"
 
#include <initializer_list>
#include <optional>
#include <regex>
#include <string>
#include <utility>
#include <vector>
 
namespace core::application::importing::internal {

std::vector<size_t> findAmountTokenIndices(const core::application::importing::transaction::internal::OcrLine& line, int valutaX = -1, int bandPx = 0) noexcept;
std::string normalizeAlnumLower(const std::string& s) noexcept;
std::optional<int> findTokenCenterX(const core::application::importing::transaction::internal::OcrLine& line, const std::string& tokenLower) noexcept;
std::optional<int> findPhraseCenterX(const core::application::importing::transaction::internal::OcrLine& line, std::initializer_list<const char*> phraseLower) noexcept;
bool hasTokenNearX(const core::application::importing::transaction::internal::OcrLine& line, int x, int bandPx) noexcept;
bool hasAmountLikeTokenInLine(const core::application::importing::transaction::internal::OcrLine& line, int valutaX) noexcept;
bool hasLeftDescriptiveText(const core::application::importing::transaction::internal::OcrLine& line, int valutaX) noexcept;
bool hasAmountNearValuta(const core::application::importing::transaction::internal::OcrLine& line, int valutaX, int bandPx) noexcept;
bool isLooseTransactionLine(const core::application::importing::transaction::internal::OcrLine& line, int valutaX) noexcept;
std::optional<double> findAndParseAmountInLine(const core::application::importing::transaction::internal::OcrLine& line, int valutaX = -1, std::vector<std::string>* debugOut = nullptr) noexcept;

struct RawLineLite {
    int minX;
    int maxX;
    int minY;
    int maxY;
    std::vector<std::pair<int, int>> wordSpans;
    std::string text;
};

std::vector<core::application::importing::transaction::internal::OcrLine> buildOcrLinesFromWords(const std::vector<core::ports::text_recognition::Word>& words);

struct ColumnGuess {
    int valutaX = -1;
    int debitX = -1;
    int creditX = -1;
};

ColumnGuess inferColumnModelFromLines(const std::vector<core::application::importing::transaction::internal::OcrLine>& lines, size_t scanN = 16) noexcept;
std::vector<RawLineLite> groupMergeLinesRaw(const std::vector<RawLineLite>& lines, int maxGapPx);
core::application::importing::transaction::internal::OcrLine toOcrLineFromRawWords(const RawLineLite& src, size_t i0, size_t i1) noexcept;
core::application::importing::transaction::internal::TransactionMainRow splitMainRowFromRaw(const RawLineLite& src, int valutaX, int debitX, int creditX) noexcept;
core::application::importing::transaction::internal::TransactionMainRow splitMainRowFromOcrLine(const core::application::importing::transaction::internal::OcrLine& src, int valutaX, int debitX, int creditX) noexcept;
 
}
 
// Intentionally no legacy core::parser aliases here; parser sources now use the current namespaces directly.