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src/buffer/katetextbuffer.cpp
| Show First 20 Lines • Show All 425 Lines • ▼ Show 20 Line(s) | 422 | { | |||
|---|---|---|---|---|---|
| 426 | } | 426 | } | ||
| 427 | 427 | | |||
| 428 | // we need blocks and last used block should not be negative | 428 | // we need blocks and last used block should not be negative | ||
| 429 | Q_ASSERT(!m_blocks.isEmpty()); | 429 | Q_ASSERT(!m_blocks.isEmpty()); | ||
| 430 | Q_ASSERT(m_lastUsedBlock >= 0); | 430 | Q_ASSERT(m_lastUsedBlock >= 0); | ||
| 431 | 431 | | |||
| 432 | /** | 432 | /** | ||
| 433 | * shortcut: try last block first | 433 | * shortcut: try last block first | ||
| 434 | * cache m_lastUsedBlock's value to avoid race conditions | ||||
| 434 | */ | 435 | */ | ||
| 435 | if (m_lastUsedBlock < m_blocks.size()) { | 436 | int lastUsedBlock = m_lastUsedBlock; | ||
| 437 | if (lastUsedBlock < m_blocks.size()) { | ||||
| 436 | /** | 438 | /** | ||
| 437 | * check if block matches | 439 | * check if block matches | ||
| 438 | * if yes, just return again this block | 440 | * if yes, just return again this block | ||
| 439 | */ | 441 | */ | ||
| 440 | TextBlock *block = m_blocks[m_lastUsedBlock]; | 442 | TextBlock *block = m_blocks[lastUsedBlock]; | ||
| 441 | const int start = block->startLine(); | 443 | const int start = block->startLine(); | ||
| 442 | const int lines = block->lines(); | 444 | const int lines = block->lines(); | ||
| 443 | if (start <= line && line < (start + lines)) { | 445 | if (start <= line && line < (start + lines)) { | ||
| 444 | return m_lastUsedBlock; | 446 | return lastUsedBlock; | ||
| 445 | } | 447 | } | ||
| 446 | } | 448 | } | ||
| 447 | 449 | | |||
| 448 | /** | 450 | /** | ||
| 449 | * search for right block | 451 | * search for right block | ||
| 450 | * use binary search | 452 | * use binary search | ||
| 451 | * if we leave this loop not by returning the found element we have an error | 453 | * if we leave this loop not by returning the found element we have an error | ||
| 452 | */ | 454 | */ | ||
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