* xmlOutputBufferWriteEscape: * @out: a buffered parser output * @str: a zero terminated UTF-8 string * @escaping: an optional escaping function (or NULL) * * Write the content of the string in the output I/O buffer * This routine escapes the characters and then handle the I18N * transcoding from internal UTF-8 * The buffer is lossless, i.e. will store in case of partial * or delayed w
| 2613 | * in case of error. |
| 2614 | */ |
| 2615 | int |
| 2616 | xmlOutputBufferWriteEscape(xmlOutputBufferPtr out, const xmlChar *str, |
| 2617 | xmlCharEncodingOutputFunc escaping) { |
| 2618 | int nbchars = 0; /* number of chars to output to I/O */ |
| 2619 | int ret; /* return from function call */ |
| 2620 | int written = 0; /* number of char written to I/O so far */ |
| 2621 | int oldwritten=0;/* loop guard */ |
| 2622 | int chunk; /* number of byte currently processed from str */ |
| 2623 | int len; /* number of bytes in str */ |
| 2624 | int cons; /* byte from str consumed */ |
| 2625 | |
| 2626 | if ((out == NULL) || (out->error) || (str == NULL) || |
| 2627 | (out->buffer == NULL)) |
| 2628 | return(-1); |
| 2629 | len = strlen((const char *)str); |
| 2630 | if (len < 0) return(0); |
| 2631 | if (out->error) return(-1); |
| 2632 | if (escaping == NULL) escaping = xmlEscapeContent; |
| 2633 | |
| 2634 | do { |
| 2635 | oldwritten = written; |
| 2636 | |
| 2637 | /* |
| 2638 | * how many bytes to consume and how many bytes to store. |
| 2639 | */ |
| 2640 | cons = len; |
| 2641 | chunk = xmlBufAvail(out->buffer); |
| 2642 | |
| 2643 | /* |
| 2644 | * make sure we have enough room to save first, if this is |
| 2645 | * not the case force a flush, but make sure we stay in the loop |
| 2646 | */ |
| 2647 | if (chunk < 40) { |
| 2648 | if (xmlBufGrow(out->buffer, 100) < 0) { |
| 2649 | out->error = XML_ERR_NO_MEMORY; |
| 2650 | return(-1); |
| 2651 | } |
| 2652 | oldwritten = -1; |
| 2653 | continue; |
| 2654 | } |
| 2655 | |
| 2656 | /* |
| 2657 | * first handle encoding stuff. |
| 2658 | */ |
| 2659 | if (out->encoder != NULL) { |
| 2660 | /* |
| 2661 | * Store the data in the incoming raw buffer |
| 2662 | */ |
| 2663 | if (out->conv == NULL) { |
| 2664 | out->conv = xmlBufCreate(); |
| 2665 | if (out->conv == NULL) { |
| 2666 | out->error = XML_ERR_NO_MEMORY; |
| 2667 | return(-1); |
| 2668 | } |
| 2669 | } |
| 2670 | ret = escaping(xmlBufEnd(out->buffer) , |
| 2671 | &chunk, str, &cons); |
| 2672 | if (ret < 0) { |
no test coverage detected