syedm
51e193d28b
- Remove newline caching - limit petal sizes - make public facing api use points only - fix iterators (chunk & line)
41 lines
958 B
C++
41 lines
958 B
C++
#include "vase/iterators/line.h"
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LineIterator::LineIterator(Shard *r, uint32_t start_line) : it(r) {
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it.seek_line(start_line);
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}
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bool LineIterator::next(std::string &line) {
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line.clear();
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line_offset = it.byte_offset() - remaining;
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while (true) {
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if (remaining == 0) {
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uint32_t got;
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if (!it.next(&cursor, &got)) {
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eof = true;
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break;
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}
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line_offset = it.byte_offset() - remaining;
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remaining = got;
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}
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const char *nl = (const char *)memchr(cursor, '\n', remaining);
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if (nl) {
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const char *end = nl;
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uint32_t len = nl - cursor;
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if (len && cursor[len - 1] == '\r')
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--len;
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line.append(cursor, len);
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cursor = end + 1;
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remaining -= (uint32_t)(len + 1);
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return true;
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}
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line.append(cursor, remaining);
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cursor += remaining;
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remaining = 0;
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}
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return !line.empty();
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}
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uint32_t LineIterator::byte_offset() {
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return line_offset;
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}
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