codekingpro/portable-devtools

1# Process ![image](<src> "title")2from __future__ import annotations3 4from ..common.utils import isStrSpace, normalizeReference5from ..token import Token6from .state_inline import StateInline7 8 9def image(state: StateInline, silent: bool) -> bool:10    label = None11    href = ""12    oldPos = state.pos13    max = state.posMax14 15    if state.src[state.pos] != "!":16        return False17 18    if state.pos + 1 < state.posMax and state.src[state.pos + 1] != "[":19        return False20 21    labelStart = state.pos + 222    labelEnd = state.md.helpers.parseLinkLabel(state, state.pos + 1, False)23 24    # parser failed to find ']', so it's not a valid link25    if labelEnd < 0:26        return False27 28    pos = labelEnd + 129 30    if pos < max and state.src[pos] == "(":31        #32        # Inline link33        #34 35        # [link](  <href>  "title"  )36        #        ^^ skipping these spaces37        pos += 138        while pos < max:39            ch = state.src[pos]40            if not isStrSpace(ch) and ch != "\n":41                break42            pos += 143 44        if pos >= max:45            return False46 47        # [link](  <href>  "title"  )48        #          ^^^^^^ parsing link destination49        start = pos50        res = state.md.helpers.parseLinkDestination(state.src, pos, state.posMax)51        if res.ok:52            href = state.md.normalizeLink(res.str)53            if state.md.validateLink(href):54                pos = res.pos55            else:56                href = ""57 58        # [link](  <href>  "title"  )59        #                ^^ skipping these spaces60        start = pos61        while pos < max:62            ch = state.src[pos]63            if not isStrSpace(ch) and ch != "\n":64                break65            pos += 166 67        # [link](  <href>  "title"  )68        #                  ^^^^^^^ parsing link title69        res = state.md.helpers.parseLinkTitle(state.src, pos, state.posMax)70        if pos < max and start != pos and res.ok:71            title = res.str72            pos = res.pos73 74            # [link](  <href>  "title"  )75            #                         ^^ skipping these spaces76            while pos < max:77                ch = state.src[pos]78                if not isStrSpace(ch) and ch != "\n":79                    break80                pos += 181        else:82            title = ""83 84        if pos >= max or state.src[pos] != ")":85            state.pos = oldPos86            return False87 88        pos += 189 90    else:91        #92        # Link reference93        #94        if "references" not in state.env:95            return False96 97        # /* [ */98        if pos < max and state.src[pos] == "[":99            start = pos + 1100            pos = state.md.helpers.parseLinkLabel(state, pos)101            if pos >= 0:102                label = state.src[start:pos]103                pos += 1104            else:105                pos = labelEnd + 1106        else:107            pos = labelEnd + 1108 109        # covers label == '' and label == undefined110        # (collapsed reference link and shortcut reference link respectively)111        if not label:112            label = state.src[labelStart:labelEnd]113 114        label = normalizeReference(label)115 116        ref = state.env["references"].get(label, None)117        if not ref:118            state.pos = oldPos119            return False120 121        href = ref["href"]122        title = ref["title"]123 124    #125    # We found the end of the link, and know for a fact it's a valid link126    # so all that's left to do is to call tokenizer.127    #128    if not silent:129        content = state.src[labelStart:labelEnd]130 131        tokens: list[Token] = []132        state.md.inline.parse(content, state.md, state.env, tokens)133 134        token = state.push("image", "img", 0)135        token.attrs = {"src": href, "alt": ""}136        token.children = tokens or None137        token.content = content138 139        if title:140            token.attrSet("title", title)141 142        # note, this is not part of markdown-it JS, but is useful for renderers143        if label and state.md.options.get("store_labels", False):144            token.meta["label"] = label145 146    state.pos = pos147    state.posMax = max148    return True149